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Finding the Fourth Proportional to 403,892.52, 557,371.71 and 234,225.06

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Solution

The fourth proportional to 403,892.52, 557,371.71 and 234,225.06 is: 323,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,892.52 : 557,371.71 = 234,225.06 : x
  2. Step 2: Convert to fraction form
    403,892.52/557,371.71 = 234,225.06/x
  3. Step 3: Cross multiply
    403,892.52x = 557,371.71 × 234,225.06
  4. Step 4: Simplify right side
    403,892.52x = 130,550,422,217.05
  5. Step 5: Solve for x
    x = 130,550,422,217.05/403,892.52
  6. Step 6: Final answer
    x = 323,230.60

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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.