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Finding the Fourth Proportional to 359,242.20, 495,787.41 and 206,300.43

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Solution

The fourth proportional to 359,242.20, 495,787.41 and 206,300.43 is: 284,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,242.20 : 495,787.41 = 206,300.43 : x
  2. Step 2: Convert to fraction form
    359,242.20/495,787.41 = 206,300.43/x
  3. Step 3: Cross multiply
    359,242.20x = 495,787.41 × 206,300.43
  4. Step 4: Simplify right side
    359,242.20x = 102,281,155,871.59
  5. Step 5: Solve for x
    x = 102,281,155,871.59/359,242.20
  6. Step 6: Final answer
    x = 284,713.64

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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.