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Finding the Fourth Proportional to 267,093.95, 400,836.95 and 215,130.83

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Solution

The fourth proportional to 267,093.95, 400,836.95 and 215,130.83 is: 322,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,093.95 : 400,836.95 = 215,130.83 : x
  2. Step 2: Convert to fraction form
    267,093.95/400,836.95 = 215,130.83/x
  3. Step 3: Cross multiply
    267,093.95x = 400,836.95 × 215,130.83
  4. Step 4: Simplify right side
    267,093.95x = 86,232,386,481.35
  5. Step 5: Solve for x
    x = 86,232,386,481.35/267,093.95
  6. Step 6: Final answer
    x = 322,854.13

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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.