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Finding the Fourth Proportional to 587,200.80, 880,801.20 and 508,468.80

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Solution

The fourth proportional to 587,200.80, 880,801.20 and 508,468.80 is: 762,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,200.80 : 880,801.20 = 508,468.80 : x
  2. Step 2: Convert to fraction form
    587,200.80/880,801.20 = 508,468.80/x
  3. Step 3: Cross multiply
    587,200.80x = 880,801.20 × 508,468.80
  4. Step 4: Simplify right side
    587,200.80x = 447,859,929,202.56
  5. Step 5: Solve for x
    x = 447,859,929,202.56/587,200.80
  6. Step 6: Final answer
    x = 762,703.20

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Double scale
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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.