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Finding the Fourth Proportional to 329,675.42, 455,010.34 and 193,709.34

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Solution

The fourth proportional to 329,675.42, 455,010.34 and 193,709.34 is: 267,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,675.42 : 455,010.34 = 193,709.34 : x
  2. Step 2: Convert to fraction form
    329,675.42/455,010.34 = 193,709.34/x
  3. Step 3: Cross multiply
    329,675.42x = 455,010.34 × 193,709.34
  4. Step 4: Simplify right side
    329,675.42x = 88,139,752,654.58
  5. Step 5: Solve for x
    x = 88,139,752,654.58/329,675.42
  6. Step 6: Final answer
    x = 267,353.12

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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.