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Finding the Fourth Proportional to 587,206.80, 880,810.20 and 508,474.80

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Solution

The fourth proportional to 587,206.80, 880,810.20 and 508,474.80 is: 762,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,206.80 : 880,810.20 = 508,474.80 : x
  2. Step 2: Convert to fraction form
    587,206.80/880,810.20 = 508,474.80/x
  3. Step 3: Cross multiply
    587,206.80x = 880,810.20 × 508,474.80
  4. Step 4: Simplify right side
    587,206.80x = 447,869,790,282.96
  5. Step 5: Solve for x
    x = 447,869,790,282.96/587,206.80
  6. Step 6: Final answer
    x = 762,712.20

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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.