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Finding the Fourth Proportional to 550,036.79, 825,282.20 and 297,019.33

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Solution

The fourth proportional to 550,036.79, 825,282.20 and 297,019.33 is: 445,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,036.79 : 825,282.20 = 297,019.33 : x
  2. Step 2: Convert to fraction form
    550,036.79/825,282.20 = 297,019.33/x
  3. Step 3: Cross multiply
    550,036.79x = 825,282.20 × 297,019.33
  4. Step 4: Simplify right side
    550,036.79x = 245,124,764,784.27
  5. Step 5: Solve for x
    x = 245,124,764,784.27/550,036.79
  6. Step 6: Final answer
    x = 445,651.58

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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.