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Finding the Fourth Proportional to 658,053.20, 987,079.80 and 583,257.80

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Solution

The fourth proportional to 658,053.20, 987,079.80 and 583,257.80 is: 874,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,053.20 : 987,079.80 = 583,257.80 : x
  2. Step 2: Convert to fraction form
    658,053.20/987,079.80 = 583,257.80/x
  3. Step 3: Cross multiply
    658,053.20x = 987,079.80 × 583,257.80
  4. Step 4: Simplify right side
    658,053.20x = 575,721,992,572.44
  5. Step 5: Solve for x
    x = 575,721,992,572.44/658,053.20
  6. Step 6: Final answer
    x = 874,886.70

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Similar ratio
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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.