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Finding the Fourth Proportional to 635,552.75, 953,328.83 and 162,237.96

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Solution

The fourth proportional to 635,552.75, 953,328.83 and 162,237.96 is: 243,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,552.75 : 953,328.83 = 162,237.96 : x
  2. Step 2: Convert to fraction form
    635,552.75/953,328.83 = 162,237.96/x
  3. Step 3: Cross multiply
    635,552.75x = 953,328.83 × 162,237.96
  4. Step 4: Simplify right side
    635,552.75x = 154,666,123,777.20
  5. Step 5: Solve for x
    x = 154,666,123,777.20/635,552.75
  6. Step 6: Final answer
    x = 243,356.86

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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.