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Finding the Fourth Proportional to 563,872.44, 845,807.94 and 137,407.80

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Solution

The fourth proportional to 563,872.44, 845,807.94 and 137,407.80 is: 206,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,872.44 : 845,807.94 = 137,407.80 : x
  2. Step 2: Convert to fraction form
    563,872.44/845,807.94 = 137,407.80/x
  3. Step 3: Cross multiply
    563,872.44x = 845,807.94 × 137,407.80
  4. Step 4: Simplify right side
    563,872.44x = 116,220,608,257.93
  5. Step 5: Solve for x
    x = 116,220,608,257.93/563,872.44
  6. Step 6: Final answer
    x = 206,111.52

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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.