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Finding the Fourth Proportional to 651,753.60, 977,630.40 and 625,181.55

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Solution

The fourth proportional to 651,753.60, 977,630.40 and 625,181.55 is: 937,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,753.60 : 977,630.40 = 625,181.55 : x
  2. Step 2: Convert to fraction form
    651,753.60/977,630.40 = 625,181.55/x
  3. Step 3: Cross multiply
    651,753.60x = 977,630.40 × 625,181.55
  4. Step 4: Simplify right side
    651,753.60x = 611,196,488,799.12
  5. Step 5: Solve for x
    x = 611,196,488,799.12/651,753.60
  6. Step 6: Final answer
    x = 937,772.33

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Double scale
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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.