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Finding the Fourth Proportional to 662,661.40, 994,251.30 and 241,979.80

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Solution

The fourth proportional to 662,661.40, 994,251.30 and 241,979.80 is: 363,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,661.40 : 994,251.30 = 241,979.80 : x
  2. Step 2: Convert to fraction form
    662,661.40/994,251.30 = 241,979.80/x
  3. Step 3: Cross multiply
    662,661.40x = 994,251.30 × 241,979.80
  4. Step 4: Simplify right side
    662,661.40x = 240,588,730,723.74
  5. Step 5: Solve for x
    x = 240,588,730,723.74/662,661.40
  6. Step 6: Final answer
    x = 363,064.35

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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.