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Finding the Fourth Proportional to 662,642.40, 994,222.80 and 241,960.80

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Solution

The fourth proportional to 662,642.40, 994,222.80 and 241,960.80 is: 363,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,642.40 : 994,222.80 = 241,960.80 : x
  2. Step 2: Convert to fraction form
    662,642.40/994,222.80 = 241,960.80/x
  3. Step 3: Cross multiply
    662,642.40x = 994,222.80 × 241,960.80
  4. Step 4: Simplify right side
    662,642.40x = 240,562,944,066.24
  5. Step 5: Solve for x
    x = 240,562,944,066.24/662,642.40
  6. Step 6: Final answer
    x = 363,035.85

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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.