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Finding the Fourth Proportional to 298,855.02, 412,420.08 and 169,793.72

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Solution

The fourth proportional to 298,855.02, 412,420.08 and 169,793.72 is: 234,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,855.02 : 412,420.08 = 169,793.72 : x
  2. Step 2: Convert to fraction form
    298,855.02/412,420.08 = 169,793.72/x
  3. Step 3: Cross multiply
    298,855.02x = 412,420.08 × 169,793.72
  4. Step 4: Simplify right side
    298,855.02x = 70,026,337,523.80
  5. Step 5: Solve for x
    x = 70,026,337,523.80/298,855.02
  6. Step 6: Final answer
    x = 234,315.41

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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.