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Finding the Fourth Proportional to 450,855.36, 622,237.97 and 259,870.11

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Solution

The fourth proportional to 450,855.36, 622,237.97 and 259,870.11 is: 358,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,855.36 : 622,237.97 = 259,870.11 : x
  2. Step 2: Convert to fraction form
    450,855.36/622,237.97 = 259,870.11/x
  3. Step 3: Cross multiply
    450,855.36x = 622,237.97 × 259,870.11
  4. Step 4: Simplify right side
    450,855.36x = 161,701,049,710.08
  5. Step 5: Solve for x
    x = 161,701,049,710.08/450,855.36
  6. Step 6: Final answer
    x = 358,653.94

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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.