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Finding the Fourth Proportional to 552,466.44, 762,395.89 and 310,748.95

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Solution

The fourth proportional to 552,466.44, 762,395.89 and 310,748.95 is: 428,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,466.44 : 762,395.89 = 310,748.95 : x
  2. Step 2: Convert to fraction form
    552,466.44/762,395.89 = 310,748.95/x
  3. Step 3: Cross multiply
    552,466.44x = 762,395.89 × 310,748.95
  4. Step 4: Simplify right side
    552,466.44x = 236,913,722,306.04
  5. Step 5: Solve for x
    x = 236,913,722,306.04/552,466.44
  6. Step 6: Final answer
    x = 428,829.16

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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.