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Finding the Fourth Proportional to 331,601.88, 497,299.14 and 144,424.92

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Solution

The fourth proportional to 331,601.88, 497,299.14 and 144,424.92 is: 216,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,601.88 : 497,299.14 = 144,424.92 : x
  2. Step 2: Convert to fraction form
    331,601.88/497,299.14 = 144,424.92/x
  3. Step 3: Cross multiply
    331,601.88x = 497,299.14 × 144,424.92
  4. Step 4: Simplify right side
    331,601.88x = 71,822,388,510.57
  5. Step 5: Solve for x
    x = 71,822,388,510.57/331,601.88
  6. Step 6: Final answer
    x = 216,592.22

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1.5x scale

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.