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Finding the Fourth Proportional to 552,319.33, 762,193.42 and 310,601.84

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Solution

The fourth proportional to 552,319.33, 762,193.42 and 310,601.84 is: 428,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,319.33 : 762,193.42 = 310,601.84 : x
  2. Step 2: Convert to fraction form
    552,319.33/762,193.42 = 310,601.84/x
  3. Step 3: Cross multiply
    552,319.33x = 762,193.42 × 310,601.84
  4. Step 4: Simplify right side
    552,319.33x = 236,738,679,261.33
  5. Step 5: Solve for x
    x = 236,738,679,261.33/552,319.33
  6. Step 6: Final answer
    x = 428,626.46

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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.