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Finding the Fourth Proportional to 438,793.34, 658,190.07 and 106,369.34

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Solution

The fourth proportional to 438,793.34, 658,190.07 and 106,369.34 is: 159,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,793.34 : 658,190.07 = 106,369.34 : x
  2. Step 2: Convert to fraction form
    438,793.34/658,190.07 = 106,369.34/x
  3. Step 3: Cross multiply
    438,793.34x = 658,190.07 × 106,369.34
  4. Step 4: Simplify right side
    438,793.34x = 70,011,240,049.50
  5. Step 5: Solve for x
    x = 70,011,240,049.50/438,793.34
  6. Step 6: Final answer
    x = 159,554.02

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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.