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Finding the Fourth Proportional to 651,875.40, 977,813.10 and 573,078.60

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Solution

The fourth proportional to 651,875.40, 977,813.10 and 573,078.60 is: 859,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,875.40 : 977,813.10 = 573,078.60 : x
  2. Step 2: Convert to fraction form
    651,875.40/977,813.10 = 573,078.60/x
  3. Step 3: Cross multiply
    651,875.40x = 977,813.10 × 573,078.60
  4. Step 4: Simplify right side
    651,875.40x = 560,363,762,409.66
  5. Step 5: Solve for x
    x = 560,363,762,409.66/651,875.40
  6. Step 6: Final answer
    x = 859,617.90

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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.