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Finding the Fourth Proportional to 359,580.18, 539,458.05 and 119,693.61

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Solution

The fourth proportional to 359,580.18, 539,458.05 and 119,693.61 is: 179,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,580.18 : 539,458.05 = 119,693.61 : x
  2. Step 2: Convert to fraction form
    359,580.18/539,458.05 = 119,693.61/x
  3. Step 3: Cross multiply
    359,580.18x = 539,458.05 × 119,693.61
  4. Step 4: Simplify right side
    359,580.18x = 64,569,681,448.06
  5. Step 5: Solve for x
    x = 64,569,681,448.06/359,580.18
  6. Step 6: Final answer
    x = 179,569.63

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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.