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Finding the Fourth Proportional to 242,812.20, 364,218.30 and 227,260.20

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Solution

The fourth proportional to 242,812.20, 364,218.30 and 227,260.20 is: 340,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,812.20 : 364,218.30 = 227,260.20 : x
  2. Step 2: Convert to fraction form
    242,812.20/364,218.30 = 227,260.20/x
  3. Step 3: Cross multiply
    242,812.20x = 364,218.30 × 227,260.20
  4. Step 4: Simplify right side
    242,812.20x = 82,772,323,701.66
  5. Step 5: Solve for x
    x = 82,772,323,701.66/242,812.20
  6. Step 6: Final answer
    x = 340,890.30

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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.