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Finding the Fourth Proportional to 471,674.60, 707,622.60 and 156,131.52

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Solution

The fourth proportional to 471,674.60, 707,622.60 and 156,131.52 is: 234,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,674.60 : 707,622.60 = 156,131.52 : x
  2. Step 2: Convert to fraction form
    471,674.60/707,622.60 = 156,131.52/x
  3. Step 3: Cross multiply
    471,674.60x = 707,622.60 × 156,131.52
  4. Step 4: Simplify right side
    471,674.60x = 110,482,192,124.35
  5. Step 5: Solve for x
    x = 110,482,192,124.35/471,674.60
  6. Step 6: Final answer
    x = 234,233.92

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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.