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Finding the Fourth Proportional to 526,016.38, 725,888.08 and 296,571.68

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Solution

The fourth proportional to 526,016.38, 725,888.08 and 296,571.68 is: 409,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,016.38 : 725,888.08 = 296,571.68 : x
  2. Step 2: Convert to fraction form
    526,016.38/725,888.08 = 296,571.68/x
  3. Step 3: Cross multiply
    526,016.38x = 725,888.08 × 296,571.68
  4. Step 4: Simplify right side
    526,016.38x = 215,277,846,840.93
  5. Step 5: Solve for x
    x = 215,277,846,840.93/526,016.38
  6. Step 6: Final answer
    x = 409,260.73

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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.