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Finding the Fourth Proportional to 895,182, 1,342,759.74 and 221,263.38

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Solution

The fourth proportional to 895,182, 1,342,759.74 and 221,263.38 is: 331,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,182 : 1,342,759.74 = 221,263.38 : x
  2. Step 2: Convert to fraction form
    895,182/1,342,759.74 = 221,263.38/x
  3. Step 3: Cross multiply
    895,182x = 1,342,759.74 × 221,263.38
  4. Step 4: Simplify right side
    895,182x = 297,103,558,600.32
  5. Step 5: Solve for x
    x = 297,103,558,600.32/895,182
  6. Step 6: Final answer
    x = 331,891.79

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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.