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Finding the Fourth Proportional to 524,893,067.60, 787,339,601.40 and 283,028,363.60

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Solution

The fourth proportional to 524,893,067.60, 787,339,601.40 and 283,028,363.60 is: 424,542,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,893,067.60 : 787,339,601.40 = 283,028,363.60 : x
  2. Step 2: Convert to fraction form
    524,893,067.60/787,339,601.40 = 283,028,363.60/x
  3. Step 3: Cross multiply
    524,893,067.60x = 787,339,601.40 × 283,028,363.60
  4. Step 4: Simplify right side
    524,893,067.60x = 222,839,438,981,718,272
  5. Step 5: Solve for x
    x = 222,839,438,981,718,272/524,893,067.60
  6. Step 6: Final answer
    x = 424,542,545.40

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Similar ratio
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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.