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Finding the Fourth Proportional to 440,660.16, 608,086.08 and 239,454.72

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Solution

The fourth proportional to 440,660.16, 608,086.08 and 239,454.72 is: 330,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,660.16 : 608,086.08 = 239,454.72 : x
  2. Step 2: Convert to fraction form
    440,660.16/608,086.08 = 239,454.72/x
  3. Step 3: Cross multiply
    440,660.16x = 608,086.08 × 239,454.72
  4. Step 4: Simplify right side
    440,660.16x = 145,609,082,022.30
  5. Step 5: Solve for x
    x = 145,609,082,022.30/440,660.16
  6. Step 6: Final answer
    x = 330,433.96

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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.