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Finding the Fourth Proportional to 662,933.80, 994,544.70 and 242,209

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Solution

The fourth proportional to 662,933.80, 994,544.70 and 242,209 is: 363,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,933.80 : 994,544.70 = 242,209 : x
  2. Step 2: Convert to fraction form
    662,933.80/994,544.70 = 242,209/x
  3. Step 3: Cross multiply
    662,933.80x = 994,544.70 × 242,209
  4. Step 4: Simplify right side
    662,933.80x = 240,887,677,242.30
  5. Step 5: Solve for x
    x = 240,887,677,242.30/662,933.80
  6. Step 6: Final answer
    x = 363,366.11

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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.