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Finding the Fourth Proportional to 424,832.33, 637,250.16 and 172,117.59

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Solution

The fourth proportional to 424,832.33, 637,250.16 and 172,117.59 is: 258,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,832.33 : 637,250.16 = 172,117.59 : x
  2. Step 2: Convert to fraction form
    424,832.33/637,250.16 = 172,117.59/x
  3. Step 3: Cross multiply
    424,832.33x = 637,250.16 × 172,117.59
  4. Step 4: Simplify right side
    424,832.33x = 109,681,961,336.02
  5. Step 5: Solve for x
    x = 109,681,961,336.02/424,832.33
  6. Step 6: Final answer
    x = 258,177.06

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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.