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Finding the Fourth Proportional to 2,865,319.14, 4,297,051.98 and 945,799.14

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Solution

The fourth proportional to 2,865,319.14, 4,297,051.98 and 945,799.14 is: 1,418,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,319.14 : 4,297,051.98 = 945,799.14 : x
  2. Step 2: Convert to fraction form
    2,865,319.14/4,297,051.98 = 945,799.14/x
  3. Step 3: Cross multiply
    2,865,319.14x = 4,297,051.98 × 945,799.14
  4. Step 4: Simplify right side
    2,865,319.14x = 4,064,148,067,219.30
  5. Step 5: Solve for x
    x = 4,064,148,067,219.30/2,865,319.14
  6. Step 6: Final answer
    x = 1,418,392.81

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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.