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Finding the Fourth Proportional to 483,368.31, 667,029.74 and 268,521.89

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Solution

The fourth proportional to 483,368.31, 667,029.74 and 268,521.89 is: 370,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,368.31 : 667,029.74 = 268,521.89 : x
  2. Step 2: Convert to fraction form
    483,368.31/667,029.74 = 268,521.89/x
  3. Step 3: Cross multiply
    483,368.31x = 667,029.74 × 268,521.89
  4. Step 4: Simplify right side
    483,368.31x = 179,112,081,793.25
  5. Step 5: Solve for x
    x = 179,112,081,793.25/483,368.31
  6. Step 6: Final answer
    x = 370,549.91

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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.