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Finding the Fourth Proportional to 359,614.06, 539,450.24 and 119,719.30

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Solution

The fourth proportional to 359,614.06, 539,450.24 and 119,719.30 is: 179,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,614.06 : 539,450.24 = 119,719.30 : x
  2. Step 2: Convert to fraction form
    359,614.06/539,450.24 = 119,719.30/x
  3. Step 3: Cross multiply
    359,614.06x = 539,450.24 × 119,719.30
  4. Step 4: Simplify right side
    359,614.06x = 64,582,605,117.63
  5. Step 5: Solve for x
    x = 64,582,605,117.63/359,614.06
  6. Step 6: Final answer
    x = 179,588.65

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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.