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Finding the Fourth Proportional to 298,626.89, 448,006.75 and 109,086.89

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Solution

The fourth proportional to 298,626.89, 448,006.75 and 109,086.89 is: 163,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,626.89 : 448,006.75 = 109,086.89 : x
  2. Step 2: Convert to fraction form
    298,626.89/448,006.75 = 109,086.89/x
  3. Step 3: Cross multiply
    298,626.89x = 448,006.75 × 109,086.89
  4. Step 4: Simplify right side
    298,626.89x = 48,871,660,543.76
  5. Step 5: Solve for x
    x = 48,871,660,543.76/298,626.89
  6. Step 6: Final answer
    x = 163,654.59

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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.