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Finding the Fourth Proportional to 415,404, 573,257.52 and 236,590.56

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Solution

The fourth proportional to 415,404, 573,257.52 and 236,590.56 is: 326,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,404 : 573,257.52 = 236,590.56 : x
  2. Step 2: Convert to fraction form
    415,404/573,257.52 = 236,590.56/x
  3. Step 3: Cross multiply
    415,404x = 573,257.52 × 236,590.56
  4. Step 4: Simplify right side
    415,404x = 135,627,317,681.01
  5. Step 5: Solve for x
    x = 135,627,317,681.01/415,404
  6. Step 6: Final answer
    x = 326,494.97

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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.