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Finding the Fourth Proportional to 483,384.60, 667,048.11 and 268,537.77

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Solution

The fourth proportional to 483,384.60, 667,048.11 and 268,537.77 is: 370,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,384.60 : 667,048.11 = 268,537.77 : x
  2. Step 2: Convert to fraction form
    483,384.60/667,048.11 = 268,537.77/x
  3. Step 3: Cross multiply
    483,384.60x = 667,048.11 × 268,537.77
  4. Step 4: Simplify right side
    483,384.60x = 179,127,611,942.12
  5. Step 5: Solve for x
    x = 179,127,611,942.12/483,384.60
  6. Step 6: Final answer
    x = 370,569.55

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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.