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Finding the Fourth Proportional to 424,606.54, 637,016.73 and 158,375.74

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Solution

The fourth proportional to 424,606.54, 637,016.73 and 158,375.74 is: 237,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,606.54 : 637,016.73 = 158,375.74 : x
  2. Step 2: Convert to fraction form
    424,606.54/637,016.73 = 158,375.74/x
  3. Step 3: Cross multiply
    424,606.54x = 637,016.73 × 158,375.74
  4. Step 4: Simplify right side
    424,606.54x = 100,887,996,006.13
  5. Step 5: Solve for x
    x = 100,887,996,006.13/424,606.54
  6. Step 6: Final answer
    x = 237,603.49

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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.