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Finding the Fourth Proportional to 432,866.15, 649,299.23 and 117,323.06

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Solution

The fourth proportional to 432,866.15, 649,299.23 and 117,323.06 is: 175,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,866.15 : 649,299.23 = 117,323.06 : x
  2. Step 2: Convert to fraction form
    432,866.15/649,299.23 = 117,323.06/x
  3. Step 3: Cross multiply
    432,866.15x = 649,299.23 × 117,323.06
  4. Step 4: Simplify right side
    432,866.15x = 76,177,769,126.09
  5. Step 5: Solve for x
    x = 76,177,769,126.09/432,866.15
  6. Step 6: Final answer
    x = 175,984.58

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Similar ratio
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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.