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Finding the Fourth Proportional to 359,155.64, 495,693.26 and 216,060.32

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Solution

The fourth proportional to 359,155.64, 495,693.26 and 216,060.32 is: 298,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,155.64 : 495,693.26 = 216,060.32 : x
  2. Step 2: Convert to fraction form
    359,155.64/495,693.26 = 216,060.32/x
  3. Step 3: Cross multiply
    359,155.64x = 495,693.26 × 216,060.32
  4. Step 4: Simplify right side
    359,155.64x = 107,099,644,377.44
  5. Step 5: Solve for x
    x = 107,099,644,377.44/359,155.64
  6. Step 6: Final answer
    x = 298,198.42

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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.