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Finding the Fourth Proportional to 336,638.14, 504,957.15 and 144,470.88

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Solution

The fourth proportional to 336,638.14, 504,957.15 and 144,470.88 is: 216,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,638.14 : 504,957.15 = 144,470.88 : x
  2. Step 2: Convert to fraction form
    336,638.14/504,957.15 = 144,470.88/x
  3. Step 3: Cross multiply
    336,638.14x = 504,957.15 × 144,470.88
  4. Step 4: Simplify right side
    336,638.14x = 72,951,605,716.38
  5. Step 5: Solve for x
    x = 72,951,605,716.38/336,638.14
  6. Step 6: Final answer
    x = 216,706.30

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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.