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Finding the Fourth Proportional to 543,757.56, 750,216.12 and 314,231.22

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Solution

The fourth proportional to 543,757.56, 750,216.12 and 314,231.22 is: 433,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,757.56 : 750,216.12 = 314,231.22 : x
  2. Step 2: Convert to fraction form
    543,757.56/750,216.12 = 314,231.22/x
  3. Step 3: Cross multiply
    543,757.56x = 750,216.12 × 314,231.22
  4. Step 4: Simplify right side
    543,757.56x = 235,741,326,651.27
  5. Step 5: Solve for x
    x = 235,741,326,651.27/543,757.56
  6. Step 6: Final answer
    x = 433,541.24

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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.