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Finding the Fourth Proportional to 372,544.02, 558,427.02 and 172,699.62

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Solution

The fourth proportional to 372,544.02, 558,427.02 and 172,699.62 is: 258,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,544.02 : 558,427.02 = 172,699.62 : x
  2. Step 2: Convert to fraction form
    372,544.02/558,427.02 = 172,699.62/x
  3. Step 3: Cross multiply
    372,544.02x = 558,427.02 × 172,699.62
  4. Step 4: Simplify right side
    372,544.02x = 96,440,134,151.73
  5. Step 5: Solve for x
    x = 96,440,134,151.73/372,544.02
  6. Step 6: Final answer
    x = 258,869.10

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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.