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Finding the Fourth Proportional to 310,462.53, 465,304.25 and 132,760.59

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Solution

The fourth proportional to 310,462.53, 465,304.25 and 132,760.59 is: 198,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,462.53 : 465,304.25 = 132,760.59 : x
  2. Step 2: Convert to fraction form
    310,462.53/465,304.25 = 132,760.59/x
  3. Step 3: Cross multiply
    310,462.53x = 465,304.25 × 132,760.59
  4. Step 4: Simplify right side
    310,462.53x = 61,774,066,095.70
  5. Step 5: Solve for x
    x = 61,774,066,095.70/310,462.53
  6. Step 6: Final answer
    x = 198,974.30

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1.5x scale

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.