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Finding the Fourth Proportional to 271,667.70, 407,501.55 and 267,002.10

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Solution

The fourth proportional to 271,667.70, 407,501.55 and 267,002.10 is: 400,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,667.70 : 407,501.55 = 267,002.10 : x
  2. Step 2: Convert to fraction form
    271,667.70/407,501.55 = 267,002.10/x
  3. Step 3: Cross multiply
    271,667.70x = 407,501.55 × 267,002.10
  4. Step 4: Simplify right side
    271,667.70x = 108,803,769,603.26
  5. Step 5: Solve for x
    x = 108,803,769,603.26/271,667.70
  6. Step 6: Final answer
    x = 400,503.15

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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.