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Finding the Fourth Proportional to 366,981.55, 550,472.33 and 100,783.15

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Solution

The fourth proportional to 366,981.55, 550,472.33 and 100,783.15 is: 151,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,981.55 : 550,472.33 = 100,783.15 : x
  2. Step 2: Convert to fraction form
    366,981.55/550,472.33 = 100,783.15/x
  3. Step 3: Cross multiply
    366,981.55x = 550,472.33 × 100,783.15
  4. Step 4: Simplify right side
    366,981.55x = 55,478,335,405.24
  5. Step 5: Solve for x
    x = 55,478,335,405.24/366,981.55
  6. Step 6: Final answer
    x = 151,174.73

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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.