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Finding the Fourth Proportional to 440,714.28, 608,168.58 and 239,505.96

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Solution

The fourth proportional to 440,714.28, 608,168.58 and 239,505.96 is: 330,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,714.28 : 608,168.58 = 239,505.96 : x
  2. Step 2: Convert to fraction form
    440,714.28/608,168.58 = 239,505.96/x
  3. Step 3: Cross multiply
    440,714.28x = 608,168.58 × 239,505.96
  4. Step 4: Simplify right side
    440,714.28x = 145,659,999,594.74
  5. Step 5: Solve for x
    x = 145,659,999,594.74/440,714.28
  6. Step 6: Final answer
    x = 330,508.92

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1.5x scale

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.