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Finding the Fourth Proportional to 359,581.18, 539,459.55 and 119,694.61

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Solution

The fourth proportional to 359,581.18, 539,459.55 and 119,694.61 is: 179,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,581.18 : 539,459.55 = 119,694.61 : x
  2. Step 2: Convert to fraction form
    359,581.18/539,459.55 = 119,694.61/x
  3. Step 3: Cross multiply
    359,581.18x = 539,459.55 × 119,694.61
  4. Step 4: Simplify right side
    359,581.18x = 64,570,400,448.03
  5. Step 5: Solve for x
    x = 64,570,400,448.03/359,581.18
  6. Step 6: Final answer
    x = 179,571.13

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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.