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Finding the Fourth Proportional to 464,803.02, 641,428.17 and 263,599.02

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Solution

The fourth proportional to 464,803.02, 641,428.17 and 263,599.02 is: 363,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,803.02 : 641,428.17 = 263,599.02 : x
  2. Step 2: Convert to fraction form
    464,803.02/641,428.17 = 263,599.02/x
  3. Step 3: Cross multiply
    464,803.02x = 641,428.17 × 263,599.02
  4. Step 4: Simplify right side
    464,803.02x = 169,079,837,012.39
  5. Step 5: Solve for x
    x = 169,079,837,012.39/464,803.02
  6. Step 6: Final answer
    x = 363,766.65

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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.