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Finding the Fourth Proportional to 375,665.46, 563,319.81 and 217,942.26

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Solution

The fourth proportional to 375,665.46, 563,319.81 and 217,942.26 is: 326,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,665.46 : 563,319.81 = 217,942.26 : x
  2. Step 2: Convert to fraction form
    375,665.46/563,319.81 = 217,942.26/x
  3. Step 3: Cross multiply
    375,665.46x = 563,319.81 × 217,942.26
  4. Step 4: Simplify right side
    375,665.46x = 122,771,192,494.17
  5. Step 5: Solve for x
    x = 122,771,192,494.17/375,665.46
  6. Step 6: Final answer
    x = 326,809.90

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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.