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Finding the Fourth Proportional to 483,197.87, 666,835.20 and 268,338.89

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Solution

The fourth proportional to 483,197.87, 666,835.20 and 268,338.89 is: 370,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,197.87 : 666,835.20 = 268,338.89 : x
  2. Step 2: Convert to fraction form
    483,197.87/666,835.20 = 268,338.89/x
  3. Step 3: Cross multiply
    483,197.87x = 666,835.20 × 268,338.89
  4. Step 4: Simplify right side
    483,197.87x = 178,937,817,380.93
  5. Step 5: Solve for x
    x = 178,937,817,380.93/483,197.87
  6. Step 6: Final answer
    x = 370,319.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.