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Finding the Fourth Proportional to 368,376.52, 551,833.18 and 283,843.40

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Solution

The fourth proportional to 368,376.52, 551,833.18 and 283,843.40 is: 425,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,376.52 : 551,833.18 = 283,843.40 : x
  2. Step 2: Convert to fraction form
    368,376.52/551,833.18 = 283,843.40/x
  3. Step 3: Cross multiply
    368,376.52x = 551,833.18 × 283,843.40
  4. Step 4: Simplify right side
    368,376.52x = 156,634,206,044.01
  5. Step 5: Solve for x
    x = 156,634,206,044.01/368,376.52
  6. Step 6: Final answer
    x = 425,201.38

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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.