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Finding the Fourth Proportional to 262,046.70, 393,070.05 and 242,801.10

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Solution

The fourth proportional to 262,046.70, 393,070.05 and 242,801.10 is: 364,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,046.70 : 393,070.05 = 242,801.10 : x
  2. Step 2: Convert to fraction form
    262,046.70/393,070.05 = 242,801.10/x
  3. Step 3: Cross multiply
    262,046.70x = 393,070.05 × 242,801.10
  4. Step 4: Simplify right side
    262,046.70x = 95,437,840,517.06
  5. Step 5: Solve for x
    x = 95,437,840,517.06/262,046.70
  6. Step 6: Final answer
    x = 364,201.65

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Similar ratio
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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.