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Finding the Fourth Proportional to 531,497.60, 797,246.40 and 437,019.20

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Solution

The fourth proportional to 531,497.60, 797,246.40 and 437,019.20 is: 655,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,497.60 : 797,246.40 = 437,019.20 : x
  2. Step 2: Convert to fraction form
    531,497.60/797,246.40 = 437,019.20/x
  3. Step 3: Cross multiply
    531,497.60x = 797,246.40 × 437,019.20
  4. Step 4: Simplify right side
    531,497.60x = 348,411,983,930.88
  5. Step 5: Solve for x
    x = 348,411,983,930.88/531,497.60
  6. Step 6: Final answer
    x = 655,528.80

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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.