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Finding the Fourth Proportional to 242,866.20, 364,299.30 and 238,200.60

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Solution

The fourth proportional to 242,866.20, 364,299.30 and 238,200.60 is: 357,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,866.20 : 364,299.30 = 238,200.60 : x
  2. Step 2: Convert to fraction form
    242,866.20/364,299.30 = 238,200.60/x
  3. Step 3: Cross multiply
    242,866.20x = 364,299.30 × 238,200.60
  4. Step 4: Simplify right side
    242,866.20x = 86,776,311,839.58
  5. Step 5: Solve for x
    x = 86,776,311,839.58/242,866.20
  6. Step 6: Final answer
    x = 357,300.90

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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.