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Finding the Fourth Proportional to 537,117.60, 804,704.40 and 256,015.20

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Solution

The fourth proportional to 537,117.60, 804,704.40 and 256,015.20 is: 383,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,117.60 : 804,704.40 = 256,015.20 : x
  2. Step 2: Convert to fraction form
    537,117.60/804,704.40 = 256,015.20/x
  3. Step 3: Cross multiply
    537,117.60x = 804,704.40 × 256,015.20
  4. Step 4: Simplify right side
    537,117.60x = 206,016,557,906.88
  5. Step 5: Solve for x
    x = 206,016,557,906.88/537,117.60
  6. Step 6: Final answer
    x = 383,559.50

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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.