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Finding the Fourth Proportional to 432,080.70, 648,315.45 and 151,799.10

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Solution

The fourth proportional to 432,080.70, 648,315.45 and 151,799.10 is: 227,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,080.70 : 648,315.45 = 151,799.10 : x
  2. Step 2: Convert to fraction form
    432,080.70/648,315.45 = 151,799.10/x
  3. Step 3: Cross multiply
    432,080.70x = 648,315.45 × 151,799.10
  4. Step 4: Simplify right side
    432,080.70x = 98,413,701,826.10
  5. Step 5: Solve for x
    x = 98,413,701,826.10/432,080.70
  6. Step 6: Final answer
    x = 227,766.95

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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.