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Finding the Fourth Proportional to 382,011.46, 527,172.71 and 207,580.12

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Solution

The fourth proportional to 382,011.46, 527,172.71 and 207,580.12 is: 286,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,011.46 : 527,172.71 = 207,580.12 : x
  2. Step 2: Convert to fraction form
    382,011.46/527,172.71 = 207,580.12/x
  3. Step 3: Cross multiply
    382,011.46x = 527,172.71 × 207,580.12
  4. Step 4: Simplify right side
    382,011.46x = 109,430,572,046.69
  5. Step 5: Solve for x
    x = 109,430,572,046.69/382,011.46
  6. Step 6: Final answer
    x = 286,458.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.