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Finding the Fourth Proportional to 522,060.20, 782,434.20 and 255,246.20

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Solution

The fourth proportional to 522,060.20, 782,434.20 and 255,246.20 is: 382,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,060.20 : 782,434.20 = 255,246.20 : x
  2. Step 2: Convert to fraction form
    522,060.20/782,434.20 = 255,246.20/x
  3. Step 3: Cross multiply
    522,060.20x = 782,434.20 × 255,246.20
  4. Step 4: Simplify right side
    522,060.20x = 199,713,356,300.04
  5. Step 5: Solve for x
    x = 199,713,356,300.04/522,060.20
  6. Step 6: Final answer
    x = 382,548.52

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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.