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Finding the Fourth Proportional to 444,434.52, 666,734.80 and 178,215.87

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Solution

The fourth proportional to 444,434.52, 666,734.80 and 178,215.87 is: 267,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,434.52 : 666,734.80 = 178,215.87 : x
  2. Step 2: Convert to fraction form
    444,434.52/666,734.80 = 178,215.87/x
  3. Step 3: Cross multiply
    444,434.52x = 666,734.80 × 178,215.87
  4. Step 4: Simplify right side
    444,434.52x = 118,822,722,441.28
  5. Step 5: Solve for x
    x = 118,822,722,441.28/444,434.52
  6. Step 6: Final answer
    x = 267,357.10

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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.