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Finding the Fourth Proportional to 234,440.88, 323,528 and 127,013.64

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Solution

The fourth proportional to 234,440.88, 323,528 and 127,013.64 is: 175,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,440.88 : 323,528 = 127,013.64 : x
  2. Step 2: Convert to fraction form
    234,440.88/323,528 = 127,013.64/x
  3. Step 3: Cross multiply
    234,440.88x = 323,528 × 127,013.64
  4. Step 4: Simplify right side
    234,440.88x = 41,092,468,921.92
  5. Step 5: Solve for x
    x = 41,092,468,921.92/234,440.88
  6. Step 6: Final answer
    x = 175,278.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.