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Finding the Fourth Proportional to 617,197.29, 921,694.79 and 610,517.37

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Solution

The fourth proportional to 617,197.29, 921,694.79 and 610,517.37 is: 911,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,197.29 : 921,694.79 = 610,517.37 : x
  2. Step 2: Convert to fraction form
    617,197.29/921,694.79 = 610,517.37/x
  3. Step 3: Cross multiply
    617,197.29x = 921,694.79 × 610,517.37
  4. Step 4: Simplify right side
    617,197.29x = 562,710,676,080.92
  5. Step 5: Solve for x
    x = 562,710,676,080.92/617,197.29
  6. Step 6: Final answer
    x = 911,719.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.