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Finding the Fourth Proportional to 424,832.84, 637,257.76 and 158,540.28

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Solution

The fourth proportional to 424,832.84, 637,257.76 and 158,540.28 is: 237,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,832.84 : 637,257.76 = 158,540.28 : x
  2. Step 2: Convert to fraction form
    424,832.84/637,257.76 = 158,540.28/x
  3. Step 3: Cross multiply
    424,832.84x = 637,257.76 × 158,540.28
  4. Step 4: Simplify right side
    424,832.84x = 101,031,023,702.57
  5. Step 5: Solve for x
    x = 101,031,023,702.57/424,832.84
  6. Step 6: Final answer
    x = 237,813.59

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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.