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Finding the Fourth Proportional to 454,908.76, 682,363.14 and 442,467.16

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Solution

The fourth proportional to 454,908.76, 682,363.14 and 442,467.16 is: 663,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,908.76 : 682,363.14 = 442,467.16 : x
  2. Step 2: Convert to fraction form
    454,908.76/682,363.14 = 442,467.16/x
  3. Step 3: Cross multiply
    454,908.76x = 682,363.14 × 442,467.16
  4. Step 4: Simplify right side
    454,908.76x = 301,923,280,644.48
  5. Step 5: Solve for x
    x = 301,923,280,644.48/454,908.76
  6. Step 6: Final answer
    x = 663,700.74

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Double scale
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Similar ratio
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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.