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Finding the Fourth Proportional to 522,086.70, 782,838.45 and 222,516.30

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Solution

The fourth proportional to 522,086.70, 782,838.45 and 222,516.30 is: 333,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,086.70 : 782,838.45 = 222,516.30 : x
  2. Step 2: Convert to fraction form
    522,086.70/782,838.45 = 222,516.30/x
  3. Step 3: Cross multiply
    522,086.70x = 782,838.45 × 222,516.30
  4. Step 4: Simplify right side
    522,086.70x = 174,194,315,391.74
  5. Step 5: Solve for x
    x = 174,194,315,391.74/522,086.70
  6. Step 6: Final answer
    x = 333,650.17

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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.