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Finding the Fourth Proportional to 364,510.80, 546,766.20 and 187,363.80

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Solution

The fourth proportional to 364,510.80, 546,766.20 and 187,363.80 is: 281,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,510.80 : 546,766.20 = 187,363.80 : x
  2. Step 2: Convert to fraction form
    364,510.80/546,766.20 = 187,363.80/x
  3. Step 3: Cross multiply
    364,510.80x = 546,766.20 × 187,363.80
  4. Step 4: Simplify right side
    364,510.80x = 102,444,192,943.56
  5. Step 5: Solve for x
    x = 102,444,192,943.56/364,510.80
  6. Step 6: Final answer
    x = 281,045.70

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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.