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Finding the Fourth Proportional to 364,981.20, 547,574.20 and 177,998.80

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Solution

The fourth proportional to 364,981.20, 547,574.20 and 177,998.80 is: 267,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,981.20 : 547,574.20 = 177,998.80 : x
  2. Step 2: Convert to fraction form
    364,981.20/547,574.20 = 177,998.80/x
  3. Step 3: Cross multiply
    364,981.20x = 547,574.20 × 177,998.80
  4. Step 4: Simplify right side
    364,981.20x = 97,467,550,510.96
  5. Step 5: Solve for x
    x = 97,467,550,510.96/364,981.20
  6. Step 6: Final answer
    x = 267,048.14

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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.