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Finding the Fourth Proportional to 359,617.74, 539,426.73 and 122,962.62

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Solution

The fourth proportional to 359,617.74, 539,426.73 and 122,962.62 is: 184,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,617.74 : 539,426.73 = 122,962.62 : x
  2. Step 2: Convert to fraction form
    359,617.74/539,426.73 = 122,962.62/x
  3. Step 3: Cross multiply
    359,617.74x = 539,426.73 × 122,962.62
  4. Step 4: Simplify right side
    359,617.74x = 66,329,324,018.83
  5. Step 5: Solve for x
    x = 66,329,324,018.83/359,617.74
  6. Step 6: Final answer
    x = 184,443.97

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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.