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Finding the Fourth Proportional to 624,824.52, 862,258.26 and 338,345.76

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Solution

The fourth proportional to 624,824.52, 862,258.26 and 338,345.76 is: 466,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,824.52 : 862,258.26 = 338,345.76 : x
  2. Step 2: Convert to fraction form
    624,824.52/862,258.26 = 338,345.76/x
  3. Step 3: Cross multiply
    624,824.52x = 862,258.26 × 338,345.76
  4. Step 4: Simplify right side
    624,824.52x = 291,741,426,295.98
  5. Step 5: Solve for x
    x = 291,741,426,295.98/624,824.52
  6. Step 6: Final answer
    x = 466,917.38

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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.