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Finding the Fourth Proportional to 552,562.29, 762,534.84 and 310,845.03

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Solution

The fourth proportional to 552,562.29, 762,534.84 and 310,845.03 is: 428,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,562.29 : 762,534.84 = 310,845.03 : x
  2. Step 2: Convert to fraction form
    552,562.29/762,534.84 = 310,845.03/x
  3. Step 3: Cross multiply
    552,562.29x = 762,534.84 × 310,845.03
  4. Step 4: Simplify right side
    552,562.29x = 237,030,165,215.85
  5. Step 5: Solve for x
    x = 237,030,165,215.85/552,562.29
  6. Step 6: Final answer
    x = 428,965.51

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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.