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Finding the Fourth Proportional to 508,327.68, 761,289.18 and 441,404.10

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Solution

The fourth proportional to 508,327.68, 761,289.18 and 441,404.10 is: 661,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,327.68 : 761,289.18 = 441,404.10 : x
  2. Step 2: Convert to fraction form
    508,327.68/761,289.18 = 441,404.10/x
  3. Step 3: Cross multiply
    508,327.68x = 761,289.18 × 441,404.10
  4. Step 4: Simplify right side
    508,327.68x = 336,036,165,337.64
  5. Step 5: Solve for x
    x = 336,036,165,337.64/508,327.68
  6. Step 6: Final answer
    x = 661,062.10

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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.