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Finding the Fourth Proportional to 591,728.40, 887,592.60 and 276,217.20

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Solution

The fourth proportional to 591,728.40, 887,592.60 and 276,217.20 is: 414,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,728.40 : 887,592.60 = 276,217.20 : x
  2. Step 2: Convert to fraction form
    591,728.40/887,592.60 = 276,217.20/x
  3. Step 3: Cross multiply
    591,728.40x = 887,592.60 × 276,217.20
  4. Step 4: Simplify right side
    591,728.40x = 245,168,342,712.72
  5. Step 5: Solve for x
    x = 245,168,342,712.72/591,728.40
  6. Step 6: Final answer
    x = 414,325.80

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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.