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Finding the Fourth Proportional to 359,138.70, 537,930.45 and 296,930.70

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Solution

The fourth proportional to 359,138.70, 537,930.45 and 296,930.70 is: 444,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,138.70 : 537,930.45 = 296,930.70 : x
  2. Step 2: Convert to fraction form
    359,138.70/537,930.45 = 296,930.70/x
  3. Step 3: Cross multiply
    359,138.70x = 537,930.45 × 296,930.70
  4. Step 4: Simplify right side
    359,138.70x = 159,728,065,069.82
  5. Step 5: Solve for x
    x = 159,728,065,069.82/359,138.70
  6. Step 6: Final answer
    x = 444,753.14

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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.