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Finding the Fourth Proportional to 463,081.77, 638,440.25 and 333,912.15

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Solution

The fourth proportional to 463,081.77, 638,440.25 and 333,912.15 is: 460,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,081.77 : 638,440.25 = 333,912.15 : x
  2. Step 2: Convert to fraction form
    463,081.77/638,440.25 = 333,912.15/x
  3. Step 3: Cross multiply
    463,081.77x = 638,440.25 × 333,912.15
  4. Step 4: Simplify right side
    463,081.77x = 213,182,954,854.48
  5. Step 5: Solve for x
    x = 213,182,954,854.48/463,081.77
  6. Step 6: Final answer
    x = 460,357.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.