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Finding the Fourth Proportional to 458,446.83, 687,819.66 and 230,624.85

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Solution

The fourth proportional to 458,446.83, 687,819.66 and 230,624.85 is: 346,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,446.83 : 687,819.66 = 230,624.85 : x
  2. Step 2: Convert to fraction form
    458,446.83/687,819.66 = 230,624.85/x
  3. Step 3: Cross multiply
    458,446.83x = 687,819.66 × 230,624.85
  4. Step 4: Simplify right side
    458,446.83x = 158,628,305,914.55
  5. Step 5: Solve for x
    x = 158,628,305,914.55/458,446.83
  6. Step 6: Final answer
    x = 346,012.44

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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.