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Finding the Fourth Proportional to 329,823.60, 455,167.56 and 193,855.56

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Solution

The fourth proportional to 329,823.60, 455,167.56 and 193,855.56 is: 267,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,823.60 : 455,167.56 = 193,855.56 : x
  2. Step 2: Convert to fraction form
    329,823.60/455,167.56 = 193,855.56/x
  3. Step 3: Cross multiply
    329,823.60x = 455,167.56 × 193,855.56
  4. Step 4: Simplify right side
    329,823.60x = 88,236,762,237.63
  5. Step 5: Solve for x
    x = 88,236,762,237.63/329,823.60
  6. Step 6: Final answer
    x = 267,527.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.