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Finding the Fourth Proportional to 359,866.22, 539,438.07 and 123,046.93

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Solution

The fourth proportional to 359,866.22, 539,438.07 and 123,046.93 is: 184,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,866.22 : 539,438.07 = 123,046.93 : x
  2. Step 2: Convert to fraction form
    359,866.22/539,438.07 = 123,046.93/x
  3. Step 3: Cross multiply
    359,866.22x = 539,438.07 × 123,046.93
  4. Step 4: Simplify right side
    359,866.22x = 66,376,195,741.43
  5. Step 5: Solve for x
    x = 66,376,195,741.43/359,866.22
  6. Step 6: Final answer
    x = 184,446.86

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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.