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Finding the Fourth Proportional to 567,525.24, 783,190.92 and 312,885.56

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Solution

The fourth proportional to 567,525.24, 783,190.92 and 312,885.56 is: 431,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,525.24 : 783,190.92 = 312,885.56 : x
  2. Step 2: Convert to fraction form
    567,525.24/783,190.92 = 312,885.56/x
  3. Step 3: Cross multiply
    567,525.24x = 783,190.92 × 312,885.56
  4. Step 4: Simplify right side
    567,525.24x = 245,049,129,591.12
  5. Step 5: Solve for x
    x = 245,049,129,591.12/567,525.24
  6. Step 6: Final answer
    x = 431,785.43

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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.