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Finding the Fourth Proportional to 267,426.06, 400,234.91 and 260,229.51

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Solution

The fourth proportional to 267,426.06, 400,234.91 and 260,229.51 is: 389,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,426.06 : 400,234.91 = 260,229.51 : x
  2. Step 2: Convert to fraction form
    267,426.06/400,234.91 = 260,229.51/x
  3. Step 3: Cross multiply
    267,426.06x = 400,234.91 × 260,229.51
  4. Step 4: Simplify right side
    267,426.06x = 104,152,931,211.87
  5. Step 5: Solve for x
    x = 104,152,931,211.87/267,426.06
  6. Step 6: Final answer
    x = 389,464.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.