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Finding the Fourth Proportional to 424,872.84, 637,309.26 and 158,654.13

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Solution

The fourth proportional to 424,872.84, 637,309.26 and 158,654.13 is: 237,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,872.84 : 637,309.26 = 158,654.13 : x
  2. Step 2: Convert to fraction form
    424,872.84/637,309.26 = 158,654.13/x
  3. Step 3: Cross multiply
    424,872.84x = 637,309.26 × 158,654.13
  4. Step 4: Simplify right side
    424,872.84x = 101,111,746,186.24
  5. Step 5: Solve for x
    x = 101,111,746,186.24/424,872.84
  6. Step 6: Final answer
    x = 237,981.20

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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.