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Finding the Fourth Proportional to 424,077.66, 585,363.78 and 271,526.58

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Solution

The fourth proportional to 424,077.66, 585,363.78 and 271,526.58 is: 374,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,077.66 : 585,363.78 = 271,526.58 : x
  2. Step 2: Convert to fraction form
    424,077.66/585,363.78 = 271,526.58/x
  3. Step 3: Cross multiply
    424,077.66x = 585,363.78 × 271,526.58
  4. Step 4: Simplify right side
    424,077.66x = 158,941,825,239.27
  5. Step 5: Solve for x
    x = 158,941,825,239.27/424,077.66
  6. Step 6: Final answer
    x = 374,794.15

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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.