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Finding the Fourth Proportional to 488,092.80, 732,139.20 and 464,764.80

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Solution

The fourth proportional to 488,092.80, 732,139.20 and 464,764.80 is: 697,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,092.80 : 732,139.20 = 464,764.80 : x
  2. Step 2: Convert to fraction form
    488,092.80/732,139.20 = 464,764.80/x
  3. Step 3: Cross multiply
    488,092.80x = 732,139.20 × 464,764.80
  4. Step 4: Simplify right side
    488,092.80x = 340,272,528,860.16
  5. Step 5: Solve for x
    x = 340,272,528,860.16/488,092.80
  6. Step 6: Final answer
    x = 697,147.20

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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.