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Finding the Fourth Proportional to 483,060.78, 666,644.70 and 268,200.84

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Solution

The fourth proportional to 483,060.78, 666,644.70 and 268,200.84 is: 370,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,060.78 : 666,644.70 = 268,200.84 : x
  2. Step 2: Convert to fraction form
    483,060.78/666,644.70 = 268,200.84/x
  3. Step 3: Cross multiply
    483,060.78x = 666,644.70 × 268,200.84
  4. Step 4: Simplify right side
    483,060.78x = 178,794,668,521.55
  5. Step 5: Solve for x
    x = 178,794,668,521.55/483,060.78
  6. Step 6: Final answer
    x = 370,128.72

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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.