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Finding the Fourth Proportional to 602,766.12, 904,149 and 469,745.88

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Solution

The fourth proportional to 602,766.12, 904,149 and 469,745.88 is: 704,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,766.12 : 904,149 = 469,745.88 : x
  2. Step 2: Convert to fraction form
    602,766.12/904,149 = 469,745.88/x
  3. Step 3: Cross multiply
    602,766.12x = 904,149 × 469,745.88
  4. Step 4: Simplify right side
    602,766.12x = 424,720,267,656.12
  5. Step 5: Solve for x
    x = 424,720,267,656.12/602,766.12
  6. Step 6: Final answer
    x = 704,618.68

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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.