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Finding the Fourth Proportional to 457,019.27, 685,521.57 and 124,595.27

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Solution

The fourth proportional to 457,019.27, 685,521.57 and 124,595.27 is: 186,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,019.27 : 685,521.57 = 124,595.27 : x
  2. Step 2: Convert to fraction form
    457,019.27/685,521.57 = 124,595.27/x
  3. Step 3: Cross multiply
    457,019.27x = 685,521.57 × 124,595.27
  4. Step 4: Simplify right side
    457,019.27x = 85,412,745,104.97
  5. Step 5: Solve for x
    x = 85,412,745,104.97/457,019.27
  6. Step 6: Final answer
    x = 186,890.91

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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.