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Finding the Fourth Proportional to 587,286.80, 880,930.20 and 508,554.80

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Solution

The fourth proportional to 587,286.80, 880,930.20 and 508,554.80 is: 762,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,286.80 : 880,930.20 = 508,554.80 : x
  2. Step 2: Convert to fraction form
    587,286.80/880,930.20 = 508,554.80/x
  3. Step 3: Cross multiply
    587,286.80x = 880,930.20 × 508,554.80
  4. Step 4: Simplify right side
    587,286.80x = 448,001,281,674.96
  5. Step 5: Solve for x
    x = 448,001,281,674.96/587,286.80
  6. Step 6: Final answer
    x = 762,832.20

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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.