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Finding the Fourth Proportional to 522,471.56, 783,717.07 and 148,504.28

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Solution

The fourth proportional to 522,471.56, 783,717.07 and 148,504.28 is: 222,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,471.56 : 783,717.07 = 148,504.28 : x
  2. Step 2: Convert to fraction form
    522,471.56/783,717.07 = 148,504.28/x
  3. Step 3: Cross multiply
    522,471.56x = 783,717.07 × 148,504.28
  4. Step 4: Simplify right side
    522,471.56x = 116,385,340,792.09
  5. Step 5: Solve for x
    x = 116,385,340,792.09/522,471.56
  6. Step 6: Final answer
    x = 222,759.19

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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.