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Finding the Fourth Proportional to 526,012.92, 725,861.37 and 296,578.41

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Solution

The fourth proportional to 526,012.92, 725,861.37 and 296,578.41 is: 409,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,012.92 : 725,861.37 = 296,578.41 : x
  2. Step 2: Convert to fraction form
    526,012.92/725,861.37 = 296,578.41/x
  3. Step 3: Cross multiply
    526,012.92x = 725,861.37 × 296,578.41
  4. Step 4: Simplify right side
    526,012.92x = 215,274,810,995.02
  5. Step 5: Solve for x
    x = 215,274,810,995.02/526,012.92
  6. Step 6: Final answer
    x = 409,257.65

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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.