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Finding the Fourth Proportional to 341,824.16, 512,461.48 and 234,891.28

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Solution

The fourth proportional to 341,824.16, 512,461.48 and 234,891.28 is: 352,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,824.16 : 512,461.48 = 234,891.28 : x
  2. Step 2: Convert to fraction form
    341,824.16/512,461.48 = 234,891.28/x
  3. Step 3: Cross multiply
    341,824.16x = 512,461.48 × 234,891.28
  4. Step 4: Simplify right side
    341,824.16x = 120,372,729,251.13
  5. Step 5: Solve for x
    x = 120,372,729,251.13/341,824.16
  6. Step 6: Final answer
    x = 352,148.10

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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.