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Finding the Fourth Proportional to 444,002.20, 664,691.10 and 294,411.40

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Solution

The fourth proportional to 444,002.20, 664,691.10 and 294,411.40 is: 440,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,002.20 : 664,691.10 = 294,411.40 : x
  2. Step 2: Convert to fraction form
    444,002.20/664,691.10 = 294,411.40/x
  3. Step 3: Cross multiply
    444,002.20x = 664,691.10 × 294,411.40
  4. Step 4: Simplify right side
    444,002.20x = 195,692,637,318.54
  5. Step 5: Solve for x
    x = 195,692,637,318.54/444,002.20
  6. Step 6: Final answer
    x = 440,747.00

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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.