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Finding the Fourth Proportional to 552,260.13, 762,123.51 and 310,540.59

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Solution

The fourth proportional to 552,260.13, 762,123.51 and 310,540.59 is: 428,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,260.13 : 762,123.51 = 310,540.59 : x
  2. Step 2: Convert to fraction form
    552,260.13/762,123.51 = 310,540.59/x
  3. Step 3: Cross multiply
    552,260.13x = 762,123.51 × 310,540.59
  4. Step 4: Simplify right side
    552,260.13x = 236,670,284,448.27
  5. Step 5: Solve for x
    x = 236,670,284,448.27/552,260.13
  6. Step 6: Final answer
    x = 428,548.56

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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.