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Finding the Fourth Proportional to 359,775.60, 539,067.96 and 322,689.12

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Solution

The fourth proportional to 359,775.60, 539,067.96 and 322,689.12 is: 483,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,775.60 : 539,067.96 = 322,689.12 : x
  2. Step 2: Convert to fraction form
    359,775.60/539,067.96 = 322,689.12/x
  3. Step 3: Cross multiply
    359,775.60x = 539,067.96 × 322,689.12
  4. Step 4: Simplify right side
    359,775.60x = 173,951,365,632.60
  5. Step 5: Solve for x
    x = 173,951,365,632.60/359,775.60
  6. Step 6: Final answer
    x = 483,499.62

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1.5x scale

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.