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Finding the Fourth Proportional to 552,466.98, 762,408.45 and 310,747.59

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Solution

The fourth proportional to 552,466.98, 762,408.45 and 310,747.59 is: 428,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,466.98 : 762,408.45 = 310,747.59 : x
  2. Step 2: Convert to fraction form
    552,466.98/762,408.45 = 310,747.59/x
  3. Step 3: Cross multiply
    552,466.98x = 762,408.45 × 310,747.59
  4. Step 4: Simplify right side
    552,466.98x = 236,916,588,433.14
  5. Step 5: Solve for x
    x = 236,916,588,433.14/552,466.98
  6. Step 6: Final answer
    x = 428,833.93

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1.5x scale

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.