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Finding the Fourth Proportional to 359,895.96, 539,842.41 and 146,616.31

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Solution

The fourth proportional to 359,895.96, 539,842.41 and 146,616.31 is: 219,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,895.96 : 539,842.41 = 146,616.31 : x
  2. Step 2: Convert to fraction form
    359,895.96/539,842.41 = 146,616.31/x
  3. Step 3: Cross multiply
    359,895.96x = 539,842.41 × 146,616.31
  4. Step 4: Simplify right side
    359,895.96x = 79,149,699,436.50
  5. Step 5: Solve for x
    x = 79,149,699,436.50/359,895.96
  6. Step 6: Final answer
    x = 219,923.83

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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.