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Finding the Fourth Proportional to 359,903.20, 539,077.20 and 297,695.20

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Solution

The fourth proportional to 359,903.20, 539,077.20 and 297,695.20 is: 445,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,903.20 : 539,077.20 = 297,695.20 : x
  2. Step 2: Convert to fraction form
    359,903.20/539,077.20 = 297,695.20/x
  3. Step 3: Cross multiply
    359,903.20x = 539,077.20 × 297,695.20
  4. Step 4: Simplify right side
    359,903.20x = 160,480,694,869.44
  5. Step 5: Solve for x
    x = 160,480,694,869.44/359,903.20
  6. Step 6: Final answer
    x = 445,899.61

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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.