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Finding the Fourth Proportional to 662,956.80, 993,832.32 and 241,939.20

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Solution

The fourth proportional to 662,956.80, 993,832.32 and 241,939.20 is: 362,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,956.80 : 993,832.32 = 241,939.20 : x
  2. Step 2: Convert to fraction form
    662,956.80/993,832.32 = 241,939.20/x
  3. Step 3: Cross multiply
    662,956.80x = 993,832.32 × 241,939.20
  4. Step 4: Simplify right side
    662,956.80x = 240,446,996,434.94
  5. Step 5: Solve for x
    x = 240,446,996,434.94/662,956.80
  6. Step 6: Final answer
    x = 362,688.79

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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.