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Finding the Fourth Proportional to 318,445.68, 477,588.36 and 93,761.04

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Solution

The fourth proportional to 318,445.68, 477,588.36 and 93,761.04 is: 140,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,445.68 : 477,588.36 = 93,761.04 : x
  2. Step 2: Convert to fraction form
    318,445.68/477,588.36 = 93,761.04/x
  3. Step 3: Cross multiply
    318,445.68x = 477,588.36 × 93,761.04
  4. Step 4: Simplify right side
    318,445.68x = 44,779,181,325.49
  5. Step 5: Solve for x
    x = 44,779,181,325.49/318,445.68
  6. Step 6: Final answer
    x = 140,617.96

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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.