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Finding the Fourth Proportional to 961,562, 1,326,797.16 and 531,758

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Solution

The fourth proportional to 961,562, 1,326,797.16 and 531,758 is: 733,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,562 : 1,326,797.16 = 531,758 : x
  2. Step 2: Convert to fraction form
    961,562/1,326,797.16 = 531,758/x
  3. Step 3: Cross multiply
    961,562x = 1,326,797.16 × 531,758
  4. Step 4: Simplify right side
    961,562x = 705,535,004,207.28
  5. Step 5: Solve for x
    x = 705,535,004,207.28/961,562
  6. Step 6: Final answer
    x = 733,738.44

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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.