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Finding the Fourth Proportional to 491,116.40, 735,983.40 and 363,762.80

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Solution

The fourth proportional to 491,116.40, 735,983.40 and 363,762.80 is: 545,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,116.40 : 735,983.40 = 363,762.80 : x
  2. Step 2: Convert to fraction form
    491,116.40/735,983.40 = 363,762.80/x
  3. Step 3: Cross multiply
    491,116.40x = 735,983.40 × 363,762.80
  4. Step 4: Simplify right side
    491,116.40x = 267,723,382,337.52
  5. Step 5: Solve for x
    x = 267,723,382,337.52/491,116.40
  6. Step 6: Final answer
    x = 545,132.24

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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.