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Finding the Fourth Proportional to 653,417.56, 980,004.84 and 204,149.44

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Solution

The fourth proportional to 653,417.56, 980,004.84 and 204,149.44 is: 306,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,417.56 : 980,004.84 = 204,149.44 : x
  2. Step 2: Convert to fraction form
    653,417.56/980,004.84 = 204,149.44/x
  3. Step 3: Cross multiply
    653,417.56x = 980,004.84 × 204,149.44
  4. Step 4: Simplify right side
    653,417.56x = 200,067,439,283.29
  5. Step 5: Solve for x
    x = 200,067,439,283.29/653,417.56
  6. Step 6: Final answer
    x = 306,186.20

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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.