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Finding the Fourth Proportional to 267,418.70, 401,030.85 and 134,254.70

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Solution

The fourth proportional to 267,418.70, 401,030.85 and 134,254.70 is: 201,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,418.70 : 401,030.85 = 134,254.70 : x
  2. Step 2: Convert to fraction form
    267,418.70/401,030.85 = 134,254.70/x
  3. Step 3: Cross multiply
    267,418.70x = 401,030.85 × 134,254.70
  4. Step 4: Simplify right side
    267,418.70x = 53,840,276,457.50
  5. Step 5: Solve for x
    x = 53,840,276,457.50/267,418.70
  6. Step 6: Final answer
    x = 201,333.25

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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.