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Finding the Fourth Proportional to 440,715.28, 608,169.96 and 239,506.96

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Solution

The fourth proportional to 440,715.28, 608,169.96 and 239,506.96 is: 330,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,715.28 : 608,169.96 = 239,506.96 : x
  2. Step 2: Convert to fraction form
    440,715.28/608,169.96 = 239,506.96/x
  3. Step 3: Cross multiply
    440,715.28x = 608,169.96 × 239,506.96
  4. Step 4: Simplify right side
    440,715.28x = 145,660,938,282.92
  5. Step 5: Solve for x
    x = 145,660,938,282.92/440,715.28
  6. Step 6: Final answer
    x = 330,510.30

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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.