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Finding the Fourth Proportional to 651,879.60, 977,819.40 and 564,399.60

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Solution

The fourth proportional to 651,879.60, 977,819.40 and 564,399.60 is: 846,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,879.60 : 977,819.40 = 564,399.60 : x
  2. Step 2: Convert to fraction form
    651,879.60/977,819.40 = 564,399.60/x
  3. Step 3: Cross multiply
    651,879.60x = 977,819.40 × 564,399.60
  4. Step 4: Simplify right side
    651,879.60x = 551,880,878,232.24
  5. Step 5: Solve for x
    x = 551,880,878,232.24/651,879.60
  6. Step 6: Final answer
    x = 846,599.40

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Half scale
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Double scale
Find fourth proportional to 651,880.60, 977,820.90 and 564,400.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.