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Finding the Fourth Proportional to 359,171.13, 539,107.29 and 296,628.40

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Solution

The fourth proportional to 359,171.13, 539,107.29 and 296,628.40 is: 445,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,171.13 : 539,107.29 = 296,628.40 : x
  2. Step 2: Convert to fraction form
    359,171.13/539,107.29 = 296,628.40/x
  3. Step 3: Cross multiply
    359,171.13x = 539,107.29 × 296,628.40
  4. Step 4: Simplify right side
    359,171.13x = 159,914,530,165.50
  5. Step 5: Solve for x
    x = 159,914,530,165.50/359,171.13
  6. Step 6: Final answer
    x = 445,232.14

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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.