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Finding the Fourth Proportional to 624,263.46, 861,480.81 and 337,788.60

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Solution

The fourth proportional to 624,263.46, 861,480.81 and 337,788.60 is: 466,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,263.46 : 861,480.81 = 337,788.60 : x
  2. Step 2: Convert to fraction form
    624,263.46/861,480.81 = 337,788.60/x
  3. Step 3: Cross multiply
    624,263.46x = 861,480.81 × 337,788.60
  4. Step 4: Simplify right side
    624,263.46x = 290,998,396,736.77
  5. Step 5: Solve for x
    x = 290,998,396,736.77/624,263.46
  6. Step 6: Final answer
    x = 466,146.77

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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.