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Finding the Fourth Proportional to 458,843.40, 688,265.10 and 332,216.10

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Solution

The fourth proportional to 458,843.40, 688,265.10 and 332,216.10 is: 498,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,843.40 : 688,265.10 = 332,216.10 : x
  2. Step 2: Convert to fraction form
    458,843.40/688,265.10 = 332,216.10/x
  3. Step 3: Cross multiply
    458,843.40x = 688,265.10 × 332,216.10
  4. Step 4: Simplify right side
    458,843.40x = 228,652,747,288.11
  5. Step 5: Solve for x
    x = 228,652,747,288.11/458,843.40
  6. Step 6: Final answer
    x = 498,324.15

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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.