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Finding the Fourth Proportional to 611,888.46, 917,694.09 and 232,674

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Solution

The fourth proportional to 611,888.46, 917,694.09 and 232,674 is: 348,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,888.46 : 917,694.09 = 232,674 : x
  2. Step 2: Convert to fraction form
    611,888.46/917,694.09 = 232,674/x
  3. Step 3: Cross multiply
    611,888.46x = 917,694.09 × 232,674
  4. Step 4: Simplify right side
    611,888.46x = 213,523,554,696.66
  5. Step 5: Solve for x
    x = 213,523,554,696.66/611,888.46
  6. Step 6: Final answer
    x = 348,958.30

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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.