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Finding the Fourth Proportional to 375,753.28, 563,814.40 and 151,104.64

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Solution

The fourth proportional to 375,753.28, 563,814.40 and 151,104.64 is: 226,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,753.28 : 563,814.40 = 151,104.64 : x
  2. Step 2: Convert to fraction form
    375,753.28/563,814.40 = 151,104.64/x
  3. Step 3: Cross multiply
    375,753.28x = 563,814.40 × 151,104.64
  4. Step 4: Simplify right side
    375,753.28x = 85,194,971,938.82
  5. Step 5: Solve for x
    x = 85,194,971,938.82/375,753.28
  6. Step 6: Final answer
    x = 226,731.15

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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.