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Finding the Fourth Proportional to 359,244.62, 538,908.63 and 119,379.93

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Solution

The fourth proportional to 359,244.62, 538,908.63 and 119,379.93 is: 179,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,244.62 : 538,908.63 = 119,379.93 : x
  2. Step 2: Convert to fraction form
    359,244.62/538,908.63 = 119,379.93/x
  3. Step 3: Cross multiply
    359,244.62x = 538,908.63 × 119,379.93
  4. Step 4: Simplify right side
    359,244.62x = 64,334,874,525.80
  5. Step 5: Solve for x
    x = 64,334,874,525.80/359,244.62
  6. Step 6: Final answer
    x = 179,083.75

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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.