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Finding the Fourth Proportional to 197,493.98, 296,184.42 and 64,385.84

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Solution

The fourth proportional to 197,493.98, 296,184.42 and 64,385.84 is: 96,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,493.98 : 296,184.42 = 64,385.84 : x
  2. Step 2: Convert to fraction form
    197,493.98/296,184.42 = 64,385.84/x
  3. Step 3: Cross multiply
    197,493.98x = 296,184.42 × 64,385.84
  4. Step 4: Simplify right side
    197,493.98x = 19,070,082,676.61
  5. Step 5: Solve for x
    x = 19,070,082,676.61/197,493.98
  6. Step 6: Final answer
    x = 96,560.32

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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.