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Finding the Fourth Proportional to 403,635.52, 557,017.12 and 233,968.04

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Solution

The fourth proportional to 403,635.52, 557,017.12 and 233,968.04 is: 322,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,635.52 : 557,017.12 = 233,968.04 : x
  2. Step 2: Convert to fraction form
    403,635.52/557,017.12 = 233,968.04/x
  3. Step 3: Cross multiply
    403,635.52x = 557,017.12 × 233,968.04
  4. Step 4: Simplify right side
    403,635.52x = 130,324,203,812.85
  5. Step 5: Solve for x
    x = 130,324,203,812.85/403,635.52
  6. Step 6: Final answer
    x = 322,875.95

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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.