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Finding the Fourth Proportional to 432,171.38, 648,014.07 and 297,393.86

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Solution

The fourth proportional to 432,171.38, 648,014.07 and 297,393.86 is: 445,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,171.38 : 648,014.07 = 297,393.86 : x
  2. Step 2: Convert to fraction form
    432,171.38/648,014.07 = 297,393.86/x
  3. Step 3: Cross multiply
    432,171.38x = 648,014.07 × 297,393.86
  4. Step 4: Simplify right side
    432,171.38x = 192,715,408,346.87
  5. Step 5: Solve for x
    x = 192,715,408,346.87/432,171.38
  6. Step 6: Final answer
    x = 445,923.58

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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.