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Finding the Fourth Proportional to 2,668,472.78, 4,003,648.74 and 1,773,468.14

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Solution

The fourth proportional to 2,668,472.78, 4,003,648.74 and 1,773,468.14 is: 2,660,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,472.78 : 4,003,648.74 = 1,773,468.14 : x
  2. Step 2: Convert to fraction form
    2,668,472.78/4,003,648.74 = 1,773,468.14/x
  3. Step 3: Cross multiply
    2,668,472.78x = 4,003,648.74 × 1,773,468.14
  4. Step 4: Simplify right side
    2,668,472.78x = 7,100,343,464,122.90
  5. Step 5: Solve for x
    x = 7,100,343,464,122.90/2,668,472.78
  6. Step 6: Final answer
    x = 2,660,826.65

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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.