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Finding the Fourth Proportional to 432,866.28, 649,299.42 and 117,323.18

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Solution

The fourth proportional to 432,866.28, 649,299.42 and 117,323.18 is: 175,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,866.28 : 649,299.42 = 117,323.18 : x
  2. Step 2: Convert to fraction form
    432,866.28/649,299.42 = 117,323.18/x
  3. Step 3: Cross multiply
    432,866.28x = 649,299.42 × 117,323.18
  4. Step 4: Simplify right side
    432,866.28x = 76,177,872,726.56
  5. Step 5: Solve for x
    x = 76,177,872,726.56/432,866.28
  6. Step 6: Final answer
    x = 175,984.77

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Similar ratio
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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.