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Finding the Fourth Proportional to 441,712.10, 662,568.15 and 411,968.90

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Solution

The fourth proportional to 441,712.10, 662,568.15 and 411,968.90 is: 617,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,712.10 : 662,568.15 = 411,968.90 : x
  2. Step 2: Convert to fraction form
    441,712.10/662,568.15 = 411,968.90/x
  3. Step 3: Cross multiply
    441,712.10x = 662,568.15 × 411,968.90
  4. Step 4: Simplify right side
    441,712.10x = 272,957,471,930.54
  5. Step 5: Solve for x
    x = 272,957,471,930.54/441,712.10
  6. Step 6: Final answer
    x = 617,953.35

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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.