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Finding the Fourth Proportional to 522,498.50, 785,519.42 and 417,227.26

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Solution

The fourth proportional to 522,498.50, 785,519.42 and 417,227.26 is: 627,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,498.50 : 785,519.42 = 417,227.26 : x
  2. Step 2: Convert to fraction form
    522,498.50/785,519.42 = 417,227.26/x
  3. Step 3: Cross multiply
    522,498.50x = 785,519.42 × 417,227.26
  4. Step 4: Simplify right side
    522,498.50x = 327,740,115,283.39
  5. Step 5: Solve for x
    x = 327,740,115,283.39/522,498.50
  6. Step 6: Final answer
    x = 627,255.61

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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.