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Finding the Fourth Proportional to 375,520.08, 563,147.47 and 162,279.38

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Solution

The fourth proportional to 375,520.08, 563,147.47 and 162,279.38 is: 243,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,520.08 : 563,147.47 = 162,279.38 : x
  2. Step 2: Convert to fraction form
    375,520.08/563,147.47 = 162,279.38/x
  3. Step 3: Cross multiply
    375,520.08x = 563,147.47 × 162,279.38
  4. Step 4: Simplify right side
    375,520.08x = 91,387,223,890.89
  5. Step 5: Solve for x
    x = 91,387,223,890.89/375,520.08
  6. Step 6: Final answer
    x = 243,361.75

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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.