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Finding the Fourth Proportional to 1,943,913.56, 2,913,506.34 and 1,375,458.44

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Solution

The fourth proportional to 1,943,913.56, 2,913,506.34 and 1,375,458.44 is: 2,061,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,913.56 : 2,913,506.34 = 1,375,458.44 : x
  2. Step 2: Convert to fraction form
    1,943,913.56/2,913,506.34 = 1,375,458.44/x
  3. Step 3: Cross multiply
    1,943,913.56x = 2,913,506.34 × 1,375,458.44
  4. Step 4: Simplify right side
    1,943,913.56x = 4,007,406,885,346.51
  5. Step 5: Solve for x
    x = 4,007,406,885,346.51/1,943,913.56
  6. Step 6: Final answer
    x = 2,061,514.96

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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.