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Finding the Fourth Proportional to 452,789.76, 624,927.24 and 261,919.20

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Solution

The fourth proportional to 452,789.76, 624,927.24 and 261,919.20 is: 361,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,789.76 : 624,927.24 = 261,919.20 : x
  2. Step 2: Convert to fraction form
    452,789.76/624,927.24 = 261,919.20/x
  3. Step 3: Cross multiply
    452,789.76x = 624,927.24 × 261,919.20
  4. Step 4: Simplify right side
    452,789.76x = 163,680,442,759.01
  5. Step 5: Solve for x
    x = 163,680,442,759.01/452,789.76
  6. Step 6: Final answer
    x = 361,493.25

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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.