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Finding the Fourth Proportional to 651,452.60, 977,409.30 and 628,412.60

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Solution

The fourth proportional to 651,452.60, 977,409.30 and 628,412.60 is: 942,841.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,452.60 : 977,409.30 = 628,412.60 : x
  2. Step 2: Convert to fraction form
    651,452.60/977,409.30 = 628,412.60/x
  3. Step 3: Cross multiply
    651,452.60x = 977,409.30 × 628,412.60
  4. Step 4: Simplify right side
    651,452.60x = 614,216,319,477.18
  5. Step 5: Solve for x
    x = 614,216,319,477.18/651,452.60
  6. Step 6: Final answer
    x = 942,841.15

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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.