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Finding the Fourth Proportional to 586,191.20, 879,286.80 and 544,200.80

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Solution

The fourth proportional to 586,191.20, 879,286.80 and 544,200.80 is: 816,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,191.20 : 879,286.80 = 544,200.80 : x
  2. Step 2: Convert to fraction form
    586,191.20/879,286.80 = 544,200.80/x
  3. Step 3: Cross multiply
    586,191.20x = 879,286.80 × 544,200.80
  4. Step 4: Simplify right side
    586,191.20x = 478,508,579,989.44
  5. Step 5: Solve for x
    x = 478,508,579,989.44/586,191.20
  6. Step 6: Final answer
    x = 816,301.20

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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.