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Finding the Fourth Proportional to 522,197.61, 783,337.92 and 222,680.78

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Solution

The fourth proportional to 522,197.61, 783,337.92 and 222,680.78 is: 334,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,197.61 : 783,337.92 = 222,680.78 : x
  2. Step 2: Convert to fraction form
    522,197.61/783,337.92 = 222,680.78/x
  3. Step 3: Cross multiply
    522,197.61x = 783,337.92 × 222,680.78
  4. Step 4: Simplify right side
    522,197.61x = 174,434,295,112.49
  5. Step 5: Solve for x
    x = 174,434,295,112.49/522,197.61
  6. Step 6: Final answer
    x = 334,038.86

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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.