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Finding the Fourth Proportional to 584,140.80, 876,211.20 and 548,711.40

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Solution

The fourth proportional to 584,140.80, 876,211.20 and 548,711.40 is: 823,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,140.80 : 876,211.20 = 548,711.40 : x
  2. Step 2: Convert to fraction form
    584,140.80/876,211.20 = 548,711.40/x
  3. Step 3: Cross multiply
    584,140.80x = 876,211.20 × 548,711.40
  4. Step 4: Simplify right side
    584,140.80x = 480,787,074,247.68
  5. Step 5: Solve for x
    x = 480,787,074,247.68/584,140.80
  6. Step 6: Final answer
    x = 823,067.10

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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.