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Finding the Fourth Proportional to 432,155.31, 648,232.95 and 116,612.22

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Solution

The fourth proportional to 432,155.31, 648,232.95 and 116,612.22 is: 174,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,155.31 : 648,232.95 = 116,612.22 : x
  2. Step 2: Convert to fraction form
    432,155.31/648,232.95 = 116,612.22/x
  3. Step 3: Cross multiply
    432,155.31x = 648,232.95 × 116,612.22
  4. Step 4: Simplify right side
    432,155.31x = 75,591,883,376.65
  5. Step 5: Solve for x
    x = 75,591,883,376.65/432,155.31
  6. Step 6: Final answer
    x = 174,918.33

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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.