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Finding the Fourth Proportional to 828,800.36, 1,143,732.56 and 461,275

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Solution

The fourth proportional to 828,800.36, 1,143,732.56 and 461,275 is: 636,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,800.36 : 1,143,732.56 = 461,275 : x
  2. Step 2: Convert to fraction form
    828,800.36/1,143,732.56 = 461,275/x
  3. Step 3: Cross multiply
    828,800.36x = 1,143,732.56 × 461,275
  4. Step 4: Simplify right side
    828,800.36x = 527,575,236,614
  5. Step 5: Solve for x
    x = 527,575,236,614/828,800.36
  6. Step 6: Final answer
    x = 636,552.86

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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.