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Finding the Fourth Proportional to 432,380.52, 648,585.36 and 116,840.16

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Solution

The fourth proportional to 432,380.52, 648,585.36 and 116,840.16 is: 175,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,380.52 : 648,585.36 = 116,840.16 : x
  2. Step 2: Convert to fraction form
    432,380.52/648,585.36 = 116,840.16/x
  3. Step 3: Cross multiply
    432,380.52x = 648,585.36 × 116,840.16
  4. Step 4: Simplify right side
    432,380.52x = 75,780,817,236.06
  5. Step 5: Solve for x
    x = 75,780,817,236.06/432,380.52
  6. Step 6: Final answer
    x = 175,264.18

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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.