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Finding the Fourth Proportional to 267,011.36, 400,513.16 and 67,330.40

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Solution

The fourth proportional to 267,011.36, 400,513.16 and 67,330.40 is: 100,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,011.36 : 400,513.16 = 67,330.40 : x
  2. Step 2: Convert to fraction form
    267,011.36/400,513.16 = 67,330.40/x
  3. Step 3: Cross multiply
    267,011.36x = 400,513.16 × 67,330.40
  4. Step 4: Simplify right side
    267,011.36x = 26,966,708,928.85
  5. Step 5: Solve for x
    x = 26,966,708,928.85/267,011.36
  6. Step 6: Final answer
    x = 100,994.61

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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.