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Finding the Fourth Proportional to 2,078,294.73, 2,868,102.95 and 1,262,311.29

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Solution

The fourth proportional to 2,078,294.73, 2,868,102.95 and 1,262,311.29 is: 1,742,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,294.73 : 2,868,102.95 = 1,262,311.29 : x
  2. Step 2: Convert to fraction form
    2,078,294.73/2,868,102.95 = 1,262,311.29/x
  3. Step 3: Cross multiply
    2,078,294.73x = 2,868,102.95 × 1,262,311.29
  4. Step 4: Simplify right side
    2,078,294.73x = 3,620,438,728,355.75
  5. Step 5: Solve for x
    x = 3,620,438,728,355.75/2,078,294.73
  6. Step 6: Final answer
    x = 1,742,023.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.