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Finding the Fourth Proportional to 675,585.36, 932,132.88 and 403,542

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Solution

The fourth proportional to 675,585.36, 932,132.88 and 403,542 is: 556,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,585.36 : 932,132.88 = 403,542 : x
  2. Step 2: Convert to fraction form
    675,585.36/932,132.88 = 403,542/x
  3. Step 3: Cross multiply
    675,585.36x = 932,132.88 × 403,542
  4. Step 4: Simplify right side
    675,585.36x = 376,154,766,660.96
  5. Step 5: Solve for x
    x = 376,154,766,660.96/675,585.36
  6. Step 6: Final answer
    x = 556,783.48

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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.