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Finding the Fourth Proportional to 2,644,726.14, 3,964,763.70 and 1,048,410.54

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Solution

The fourth proportional to 2,644,726.14, 3,964,763.70 and 1,048,410.54 is: 1,571,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,726.14 : 3,964,763.70 = 1,048,410.54 : x
  2. Step 2: Convert to fraction form
    2,644,726.14/3,964,763.70 = 1,048,410.54/x
  3. Step 3: Cross multiply
    2,644,726.14x = 3,964,763.70 × 1,048,410.54
  4. Step 4: Simplify right side
    2,644,726.14x = 4,156,700,051,689.40
  5. Step 5: Solve for x
    x = 4,156,700,051,689.40/2,644,726.14
  6. Step 6: Final answer
    x = 1,571,693.94

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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.