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Finding the Fourth Proportional to 294,294.96, 406,250.37 and 198,930.83

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Solution

The fourth proportional to 294,294.96, 406,250.37 and 198,930.83 is: 274,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,294.96 : 406,250.37 = 198,930.83 : x
  2. Step 2: Convert to fraction form
    294,294.96/406,250.37 = 198,930.83/x
  3. Step 3: Cross multiply
    294,294.96x = 406,250.37 × 198,930.83
  4. Step 4: Simplify right side
    294,294.96x = 80,815,721,260.66
  5. Step 5: Solve for x
    x = 80,815,721,260.66/294,294.96
  6. Step 6: Final answer
    x = 274,607.90

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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.