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Finding the Fourth Proportional to 537,138.60, 804,735.90 and 256,036.20

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Solution

The fourth proportional to 537,138.60, 804,735.90 and 256,036.20 is: 383,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,138.60 : 804,735.90 = 256,036.20 : x
  2. Step 2: Convert to fraction form
    537,138.60/804,735.90 = 256,036.20/x
  3. Step 3: Cross multiply
    537,138.60x = 804,735.90 × 256,036.20
  4. Step 4: Simplify right side
    537,138.60x = 206,041,521,839.58
  5. Step 5: Solve for x
    x = 206,041,521,839.58/537,138.60
  6. Step 6: Final answer
    x = 383,590.98

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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.