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Finding the Fourth Proportional to 476,115.57, 657,016.92 and 261,250.92

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Solution

The fourth proportional to 476,115.57, 657,016.92 and 261,250.92 is: 360,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,115.57 : 657,016.92 = 261,250.92 : x
  2. Step 2: Convert to fraction form
    476,115.57/657,016.92 = 261,250.92/x
  3. Step 3: Cross multiply
    476,115.57x = 657,016.92 × 261,250.92
  4. Step 4: Simplify right side
    476,115.57x = 171,646,274,805.57
  5. Step 5: Solve for x
    x = 171,646,274,805.57/476,115.57
  6. Step 6: Final answer
    x = 360,513.89

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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.