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Finding the Fourth Proportional to 359,775.72, 539,662.77 and 146,632.32

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Solution

The fourth proportional to 359,775.72, 539,662.77 and 146,632.32 is: 219,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,775.72 : 539,662.77 = 146,632.32 : x
  2. Step 2: Convert to fraction form
    359,775.72/539,662.77 = 146,632.32/x
  3. Step 3: Cross multiply
    359,775.72x = 539,662.77 × 146,632.32
  4. Step 4: Simplify right side
    359,775.72x = 79,132,003,982.73
  5. Step 5: Solve for x
    x = 79,132,003,982.73/359,775.72
  6. Step 6: Final answer
    x = 219,948.15

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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.