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Finding the Fourth Proportional to 576,064.27, 863,726.40 and 239,337.55

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Solution

The fourth proportional to 576,064.27, 863,726.40 and 239,337.55 is: 358,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,064.27 : 863,726.40 = 239,337.55 : x
  2. Step 2: Convert to fraction form
    576,064.27/863,726.40 = 239,337.55/x
  3. Step 3: Cross multiply
    576,064.27x = 863,726.40 × 239,337.55
  4. Step 4: Simplify right side
    576,064.27x = 206,722,160,446.32
  5. Step 5: Solve for x
    x = 206,722,160,446.32/576,064.27
  6. Step 6: Final answer
    x = 358,852.60

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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.