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Finding the Fourth Proportional to 474,379.38, 654,659.01 and 259,519.44

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Solution

The fourth proportional to 474,379.38, 654,659.01 and 259,519.44 is: 358,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,379.38 : 654,659.01 = 259,519.44 : x
  2. Step 2: Convert to fraction form
    474,379.38/654,659.01 = 259,519.44/x
  3. Step 3: Cross multiply
    474,379.38x = 654,659.01 × 259,519.44
  4. Step 4: Simplify right side
    474,379.38x = 169,896,739,666.15
  5. Step 5: Solve for x
    x = 169,896,739,666.15/474,379.38
  6. Step 6: Final answer
    x = 358,145.29

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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.