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Finding the Fourth Proportional to 267,193.74, 400,154.55 and 154,636.75

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Solution

The fourth proportional to 267,193.74, 400,154.55 and 154,636.75 is: 231,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,193.74 : 400,154.55 = 154,636.75 : x
  2. Step 2: Convert to fraction form
    267,193.74/400,154.55 = 154,636.75/x
  3. Step 3: Cross multiply
    267,193.74x = 400,154.55 × 154,636.75
  4. Step 4: Simplify right side
    267,193.74x = 61,878,598,083.90
  5. Step 5: Solve for x
    x = 61,878,598,083.90/267,193.74
  6. Step 6: Final answer
    x = 231,587.01

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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.