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Finding the Fourth Proportional to 234,474.82, 323,574.79 and 127,047.76

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Solution

The fourth proportional to 234,474.82, 323,574.79 and 127,047.76 is: 175,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,474.82 : 323,574.79 = 127,047.76 : x
  2. Step 2: Convert to fraction form
    234,474.82/323,574.79 = 127,047.76/x
  3. Step 3: Cross multiply
    234,474.82x = 323,574.79 × 127,047.76
  4. Step 4: Simplify right side
    234,474.82x = 41,109,452,261.97
  5. Step 5: Solve for x
    x = 41,109,452,261.97/234,474.82
  6. Step 6: Final answer
    x = 175,325.66

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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.