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Finding the Fourth Proportional to 4,614,395.88, 6,917,044.83 and 1,620,480.36

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Solution

The fourth proportional to 4,614,395.88, 6,917,044.83 and 1,620,480.36 is: 2,429,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614,395.88 : 6,917,044.83 = 1,620,480.36 : x
  2. Step 2: Convert to fraction form
    4,614,395.88/6,917,044.83 = 1,620,480.36/x
  3. Step 3: Cross multiply
    4,614,395.88x = 6,917,044.83 × 1,620,480.36
  4. Step 4: Simplify right side
    4,614,395.88x = 11,208,935,272,885.12
  5. Step 5: Solve for x
    x = 11,208,935,272,885.12/4,614,395.88
  6. Step 6: Final answer
    x = 2,429,123.03

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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.