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Finding the Fourth Proportional to 375,501.20, 563,251.80 and 275,117.90

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Solution

The fourth proportional to 375,501.20, 563,251.80 and 275,117.90 is: 412,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,501.20 : 563,251.80 = 275,117.90 : x
  2. Step 2: Convert to fraction form
    375,501.20/563,251.80 = 275,117.90/x
  3. Step 3: Cross multiply
    375,501.20x = 563,251.80 × 275,117.90
  4. Step 4: Simplify right side
    375,501.20x = 154,960,652,387.22
  5. Step 5: Solve for x
    x = 154,960,652,387.22/375,501.20
  6. Step 6: Final answer
    x = 412,676.85

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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.