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Finding the Fourth Proportional to 662,959.80, 994,583.70 and 242,235

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Solution

The fourth proportional to 662,959.80, 994,583.70 and 242,235 is: 363,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,959.80 : 994,583.70 = 242,235 : x
  2. Step 2: Convert to fraction form
    662,959.80/994,583.70 = 242,235/x
  3. Step 3: Cross multiply
    662,959.80x = 994,583.70 × 242,235
  4. Step 4: Simplify right side
    662,959.80x = 240,922,982,569.50
  5. Step 5: Solve for x
    x = 240,922,982,569.50/662,959.80
  6. Step 6: Final answer
    x = 363,405.12

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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.