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Finding the Fourth Proportional to 475,609.16, 656,345.98 and 271,687.08

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Solution

The fourth proportional to 475,609.16, 656,345.98 and 271,687.08 is: 374,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,609.16 : 656,345.98 = 271,687.08 : x
  2. Step 2: Convert to fraction form
    475,609.16/656,345.98 = 271,687.08/x
  3. Step 3: Cross multiply
    475,609.16x = 656,345.98 × 271,687.08
  4. Step 4: Simplify right side
    475,609.16x = 178,320,722,775.94
  5. Step 5: Solve for x
    x = 178,320,722,775.94/475,609.16
  6. Step 6: Final answer
    x = 374,931.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.