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Finding the Fourth Proportional to 4,738,393.39, 7,108,476.01 and 1,898,726.95

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Solution

The fourth proportional to 4,738,393.39, 7,108,476.01 and 1,898,726.95 is: 2,848,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,393.39 : 7,108,476.01 = 1,898,726.95 : x
  2. Step 2: Convert to fraction form
    4,738,393.39/7,108,476.01 = 1,898,726.95/x
  3. Step 3: Cross multiply
    4,738,393.39x = 7,108,476.01 × 1,898,726.95
  4. Step 4: Simplify right side
    4,738,393.39x = 13,497,054,964,121.83
  5. Step 5: Solve for x
    x = 13,497,054,964,121.83/4,738,393.39
  6. Step 6: Final answer
    x = 2,848,445.42

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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.