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Finding the Fourth Proportional to 424,591.35, 585,687.24 and 271,573.71

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Solution

The fourth proportional to 424,591.35, 585,687.24 and 271,573.71 is: 374,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,591.35 : 585,687.24 = 271,573.71 : x
  2. Step 2: Convert to fraction form
    424,591.35/585,687.24 = 271,573.71/x
  3. Step 3: Cross multiply
    424,591.35x = 585,687.24 × 271,573.71
  4. Step 4: Simplify right side
    424,591.35x = 159,057,256,666.46
  5. Step 5: Solve for x
    x = 159,057,256,666.46/424,591.35
  6. Step 6: Final answer
    x = 374,612.57

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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.