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Finding the Fourth Proportional to 476,166.72, 657,118.06 and 261,326.78

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Solution

The fourth proportional to 476,166.72, 657,118.06 and 261,326.78 is: 360,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,166.72 : 657,118.06 = 261,326.78 : x
  2. Step 2: Convert to fraction form
    476,166.72/657,118.06 = 261,326.78/x
  3. Step 3: Cross multiply
    476,166.72x = 657,118.06 × 261,326.78
  4. Step 4: Simplify right side
    476,166.72x = 171,722,542,760.74
  5. Step 5: Solve for x
    x = 171,722,542,760.74/476,166.72
  6. Step 6: Final answer
    x = 360,635.33

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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.