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Finding the Fourth Proportional to 822,237.84, 1,233,569 and 253,606.12

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Solution

The fourth proportional to 822,237.84, 1,233,569 and 253,606.12 is: 380,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,237.84 : 1,233,569 = 253,606.12 : x
  2. Step 2: Convert to fraction form
    822,237.84/1,233,569 = 253,606.12/x
  3. Step 3: Cross multiply
    822,237.84x = 1,233,569 × 253,606.12
  4. Step 4: Simplify right side
    822,237.84x = 312,840,647,842.28
  5. Step 5: Solve for x
    x = 312,840,647,842.28/822,237.84
  6. Step 6: Final answer
    x = 380,474.64

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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.