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Finding the Fourth Proportional to 298,651.73, 448,043.13 and 219,526.07

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Solution

The fourth proportional to 298,651.73, 448,043.13 and 219,526.07 is: 329,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,651.73 : 448,043.13 = 219,526.07 : x
  2. Step 2: Convert to fraction form
    298,651.73/448,043.13 = 219,526.07/x
  3. Step 3: Cross multiply
    298,651.73x = 448,043.13 × 219,526.07
  4. Step 4: Simplify right side
    298,651.73x = 98,357,147,519.40
  5. Step 5: Solve for x
    x = 98,357,147,519.40/298,651.73
  6. Step 6: Final answer
    x = 329,337.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.