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Finding the Fourth Proportional to 414,960, 572,748.48 and 236,215.68

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Solution

The fourth proportional to 414,960, 572,748.48 and 236,215.68 is: 326,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,960 : 572,748.48 = 236,215.68 : x
  2. Step 2: Convert to fraction form
    414,960/572,748.48 = 236,215.68/x
  3. Step 3: Cross multiply
    414,960x = 572,748.48 × 236,215.68
  4. Step 4: Simplify right side
    414,960x = 135,292,171,672.17
  5. Step 5: Solve for x
    x = 135,292,171,672.17/414,960
  6. Step 6: Final answer
    x = 326,036.66

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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.