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Finding the Fourth Proportional to 359,154.64, 495,691.88 and 216,059.32

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Solution

The fourth proportional to 359,154.64, 495,691.88 and 216,059.32 is: 298,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,154.64 : 495,691.88 = 216,059.32 : x
  2. Step 2: Convert to fraction form
    359,154.64/495,691.88 = 216,059.32/x
  3. Step 3: Cross multiply
    359,154.64x = 495,691.88 × 216,059.32
  4. Step 4: Simplify right side
    359,154.64x = 107,098,850,522.32
  5. Step 5: Solve for x
    x = 107,098,850,522.32/359,154.64
  6. Step 6: Final answer
    x = 298,197.04

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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.