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Finding the Fourth Proportional to 359,842.67, 539,950.80 and 146,766.90

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Solution

The fourth proportional to 359,842.67, 539,950.80 and 146,766.90 is: 220,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,842.67 : 539,950.80 = 146,766.90 : x
  2. Step 2: Convert to fraction form
    359,842.67/539,950.80 = 146,766.90/x
  3. Step 3: Cross multiply
    359,842.67x = 539,950.80 × 146,766.90
  4. Step 4: Simplify right side
    359,842.67x = 79,246,905,435.44
  5. Step 5: Solve for x
    x = 79,246,905,435.44/359,842.67
  6. Step 6: Final answer
    x = 220,226.54

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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.