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Finding the Fourth Proportional to 267,424.93, 400,233.21 and 260,228.38

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Solution

The fourth proportional to 267,424.93, 400,233.21 and 260,228.38 is: 389,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,424.93 : 400,233.21 = 260,228.38 : x
  2. Step 2: Convert to fraction form
    267,424.93/400,233.21 = 260,228.38/x
  3. Step 3: Cross multiply
    267,424.93x = 400,233.21 × 260,228.38
  4. Step 4: Simplify right side
    267,424.93x = 104,152,039,860.50
  5. Step 5: Solve for x
    x = 104,152,039,860.50/267,424.93
  6. Step 6: Final answer
    x = 389,462.72

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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.