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Finding the Fourth Proportional to 359,727.73, 539,464.93 and 119,776.47

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Solution

The fourth proportional to 359,727.73, 539,464.93 and 119,776.47 is: 179,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,727.73 : 539,464.93 = 119,776.47 : x
  2. Step 2: Convert to fraction form
    359,727.73/539,464.93 = 119,776.47/x
  3. Step 3: Cross multiply
    359,727.73x = 539,464.93 × 119,776.47
  4. Step 4: Simplify right side
    359,727.73x = 64,615,205,716.25
  5. Step 5: Solve for x
    x = 64,615,205,716.25/359,727.73
  6. Step 6: Final answer
    x = 179,622.53

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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.