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Finding the Fourth Proportional to 404,574.46, 557,997.17 and 259,394.12

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Solution

The fourth proportional to 404,574.46, 557,997.17 and 259,394.12 is: 357,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,574.46 : 557,997.17 = 259,394.12 : x
  2. Step 2: Convert to fraction form
    404,574.46/557,997.17 = 259,394.12/x
  3. Step 3: Cross multiply
    404,574.46x = 557,997.17 × 259,394.12
  4. Step 4: Simplify right side
    404,574.46x = 144,741,184,874.64
  5. Step 5: Solve for x
    x = 144,741,184,874.64/404,574.46
  6. Step 6: Final answer
    x = 357,761.55

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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.