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Finding the Fourth Proportional to 641,356.14, 962,200.17 and 242,000.31

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Solution

The fourth proportional to 641,356.14, 962,200.17 and 242,000.31 is: 363,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,356.14 : 962,200.17 = 242,000.31 : x
  2. Step 2: Convert to fraction form
    641,356.14/962,200.17 = 242,000.31/x
  3. Step 3: Cross multiply
    641,356.14x = 962,200.17 × 242,000.31
  4. Step 4: Simplify right side
    641,356.14x = 232,852,739,422.05
  5. Step 5: Solve for x
    x = 232,852,739,422.05/641,356.14
  6. Step 6: Final answer
    x = 363,063.09

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1.5x scale

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.