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Finding the Fourth Proportional to 587,253.20, 880,879.80 and 213,227.60

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Solution

The fourth proportional to 587,253.20, 880,879.80 and 213,227.60 is: 319,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,253.20 : 880,879.80 = 213,227.60 : x
  2. Step 2: Convert to fraction form
    587,253.20/880,879.80 = 213,227.60/x
  3. Step 3: Cross multiply
    587,253.20x = 880,879.80 × 213,227.60
  4. Step 4: Simplify right side
    587,253.20x = 187,827,885,642.48
  5. Step 5: Solve for x
    x = 187,827,885,642.48/587,253.20
  6. Step 6: Final answer
    x = 319,841.40

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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.