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Finding the Fourth Proportional to 617,568, 852,266.88 and 349,290.24

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Solution

The fourth proportional to 617,568, 852,266.88 and 349,290.24 is: 482,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,568 : 852,266.88 = 349,290.24 : x
  2. Step 2: Convert to fraction form
    617,568/852,266.88 = 349,290.24/x
  3. Step 3: Cross multiply
    617,568x = 852,266.88 × 349,290.24
  4. Step 4: Simplify right side
    617,568x = 297,688,503,059.25
  5. Step 5: Solve for x
    x = 297,688,503,059.25/617,568
  6. Step 6: Final answer
    x = 482,033.56

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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.