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Finding the Fourth Proportional to 1,777,008.10, 2,664,734.55 and 711,696.10

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Solution

The fourth proportional to 1,777,008.10, 2,664,734.55 and 711,696.10 is: 1,067,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,008.10 : 2,664,734.55 = 711,696.10 : x
  2. Step 2: Convert to fraction form
    1,777,008.10/2,664,734.55 = 711,696.10/x
  3. Step 3: Cross multiply
    1,777,008.10x = 2,664,734.55 × 711,696.10
  4. Step 4: Simplify right side
    1,777,008.10x = 1,896,481,186,770.26
  5. Step 5: Solve for x
    x = 1,896,481,186,770.26/1,777,008.10
  6. Step 6: Final answer
    x = 1,067,232.72

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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.