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Finding the Fourth Proportional to 471,994.62, 707,729.48 and 156,279.30

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Solution

The fourth proportional to 471,994.62, 707,729.48 and 156,279.30 is: 234,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,994.62 : 707,729.48 = 156,279.30 : x
  2. Step 2: Convert to fraction form
    471,994.62/707,729.48 = 156,279.30/x
  3. Step 3: Cross multiply
    471,994.62x = 707,729.48 × 156,279.30
  4. Step 4: Simplify right side
    471,994.62x = 110,603,467,723.76
  5. Step 5: Solve for x
    x = 110,603,467,723.76/471,994.62
  6. Step 6: Final answer
    x = 234,332.05

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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.