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Finding the Fourth Proportional to 416,638.08, 625,034.88 and 136,352.16

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Solution

The fourth proportional to 416,638.08, 625,034.88 and 136,352.16 is: 204,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,638.08 : 625,034.88 = 136,352.16 : x
  2. Step 2: Convert to fraction form
    416,638.08/625,034.88 = 136,352.16/x
  3. Step 3: Cross multiply
    416,638.08x = 625,034.88 × 136,352.16
  4. Step 4: Simplify right side
    416,638.08x = 85,224,855,963.34
  5. Step 5: Solve for x
    x = 85,224,855,963.34/416,638.08
  6. Step 6: Final answer
    x = 204,553.69

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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.