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Finding the Fourth Proportional to 605,045.52, 907,568.28 and 161,802

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Solution

The fourth proportional to 605,045.52, 907,568.28 and 161,802 is: 242,703

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,045.52 : 907,568.28 = 161,802 : x
  2. Step 2: Convert to fraction form
    605,045.52/907,568.28 = 161,802/x
  3. Step 3: Cross multiply
    605,045.52x = 907,568.28 × 161,802
  4. Step 4: Simplify right side
    605,045.52x = 146,846,362,840.56
  5. Step 5: Solve for x
    x = 146,846,362,840.56/605,045.52
  6. Step 6: Final answer
    x = 242,703

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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.