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Finding the Fourth Proportional to 359,919.92, 496,693.24 and 198,779.06

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Solution

The fourth proportional to 359,919.92, 496,693.24 and 198,779.06 is: 274,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,919.92 : 496,693.24 = 198,779.06 : x
  2. Step 2: Convert to fraction form
    359,919.92/496,693.24 = 198,779.06/x
  3. Step 3: Cross multiply
    359,919.92x = 496,693.24 × 198,779.06
  4. Step 4: Simplify right side
    359,919.92x = 98,732,215,355.55
  5. Step 5: Solve for x
    x = 98,732,215,355.55/359,919.92
  6. Step 6: Final answer
    x = 274,317.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.