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Finding the Fourth Proportional to 1,864,604.83, 2,795,782.30 and 711,926.66

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Solution

The fourth proportional to 1,864,604.83, 2,795,782.30 and 711,926.66 is: 1,067,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,604.83 : 2,795,782.30 = 711,926.66 : x
  2. Step 2: Convert to fraction form
    1,864,604.83/2,795,782.30 = 711,926.66/x
  3. Step 3: Cross multiply
    1,864,604.83x = 2,795,782.30 × 711,926.66
  4. Step 4: Simplify right side
    1,864,604.83x = 1,990,391,954,926.12
  5. Step 5: Solve for x
    x = 1,990,391,954,926.12/1,864,604.83
  6. Step 6: Final answer
    x = 1,067,460.47

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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.