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Finding the Fourth Proportional to 297,055.56, 445,551.75 and 83,818.20

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Solution

The fourth proportional to 297,055.56, 445,551.75 and 83,818.20 is: 125,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,055.56 : 445,551.75 = 83,818.20 : x
  2. Step 2: Convert to fraction form
    297,055.56/445,551.75 = 83,818.20/x
  3. Step 3: Cross multiply
    297,055.56x = 445,551.75 × 83,818.20
  4. Step 4: Simplify right side
    297,055.56x = 37,345,345,691.85
  5. Step 5: Solve for x
    x = 37,345,345,691.85/297,055.56
  6. Step 6: Final answer
    x = 125,718.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.