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Finding the Fourth Proportional to 531,549,363.60, 797,324,045.40 and 402,409,200.60

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Solution

The fourth proportional to 531,549,363.60, 797,324,045.40 and 402,409,200.60 is: 603,613,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,549,363.60 : 797,324,045.40 = 402,409,200.60 : x
  2. Step 2: Convert to fraction form
    531,549,363.60/797,324,045.40 = 402,409,200.60/x
  3. Step 3: Cross multiply
    531,549,363.60x = 797,324,045.40 × 402,409,200.60
  4. Step 4: Simplify right side
    531,549,363.60x = 320,850,531,728,572,096
  5. Step 5: Solve for x
    x = 320,850,531,728,572,096/531,549,363.60
  6. Step 6: Final answer
    x = 603,613,800.90

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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.