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Finding the Fourth Proportional to 359,724.08, 539,459.44 and 119,772.82

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Solution

The fourth proportional to 359,724.08, 539,459.44 and 119,772.82 is: 179,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,724.08 : 539,459.44 = 119,772.82 : x
  2. Step 2: Convert to fraction form
    359,724.08/539,459.44 = 119,772.82/x
  3. Step 3: Cross multiply
    359,724.08x = 539,459.44 × 119,772.82
  4. Step 4: Simplify right side
    359,724.08x = 64,612,578,404.42
  5. Step 5: Solve for x
    x = 64,612,578,404.42/359,724.08
  6. Step 6: Final answer
    x = 179,617.05

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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.