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Finding the Fourth Proportional to 375,658.04, 563,487.12 and 227,603

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Solution

The fourth proportional to 375,658.04, 563,487.12 and 227,603 is: 341,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,658.04 : 563,487.12 = 227,603 : x
  2. Step 2: Convert to fraction form
    375,658.04/563,487.12 = 227,603/x
  3. Step 3: Cross multiply
    375,658.04x = 563,487.12 × 227,603
  4. Step 4: Simplify right side
    375,658.04x = 128,251,358,973.36
  5. Step 5: Solve for x
    x = 128,251,358,973.36/375,658.04
  6. Step 6: Final answer
    x = 341,404.54

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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.