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Finding the Fourth Proportional to 369,889.34, 554,787.25 and 117,195.46

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Solution

The fourth proportional to 369,889.34, 554,787.25 and 117,195.46 is: 175,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,889.34 : 554,787.25 = 117,195.46 : x
  2. Step 2: Convert to fraction form
    369,889.34/554,787.25 = 117,195.46/x
  3. Step 3: Cross multiply
    369,889.34x = 554,787.25 × 117,195.46
  4. Step 4: Simplify right side
    369,889.34x = 65,018,545,285.93
  5. Step 5: Solve for x
    x = 65,018,545,285.93/369,889.34
  6. Step 6: Final answer
    x = 175,778.37

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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.