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Finding the Fourth Proportional to 1,898,839.56, 2,848,252.14 and 776,908.20

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Solution

The fourth proportional to 1,898,839.56, 2,848,252.14 and 776,908.20 is: 1,165,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,839.56 : 2,848,252.14 = 776,908.20 : x
  2. Step 2: Convert to fraction form
    1,898,839.56/2,848,252.14 = 776,908.20/x
  3. Step 3: Cross multiply
    1,898,839.56x = 2,848,252.14 × 776,908.20
  4. Step 4: Simplify right side
    1,898,839.56x = 2,212,830,443,233.55
  5. Step 5: Solve for x
    x = 2,212,830,443,233.55/1,898,839.56
  6. Step 6: Final answer
    x = 1,165,359.35

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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.