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Finding the Fourth Proportional to 453,902.77, 680,944.38 and 154,302.90

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Solution

The fourth proportional to 453,902.77, 680,944.38 and 154,302.90 is: 231,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,902.77 : 680,944.38 = 154,302.90 : x
  2. Step 2: Convert to fraction form
    453,902.77/680,944.38 = 154,302.90/x
  3. Step 3: Cross multiply
    453,902.77x = 680,944.38 × 154,302.90
  4. Step 4: Simplify right side
    453,902.77x = 105,071,692,572.70
  5. Step 5: Solve for x
    x = 105,071,692,572.70/453,902.77
  6. Step 6: Final answer
    x = 231,485.02

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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.