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Finding the Fourth Proportional to 245,364.10, 368,046.15 and 205,998.10

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Solution

The fourth proportional to 245,364.10, 368,046.15 and 205,998.10 is: 308,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,364.10 : 368,046.15 = 205,998.10 : x
  2. Step 2: Convert to fraction form
    245,364.10/368,046.15 = 205,998.10/x
  3. Step 3: Cross multiply
    245,364.10x = 368,046.15 × 205,998.10
  4. Step 4: Simplify right side
    245,364.10x = 75,816,807,612.32
  5. Step 5: Solve for x
    x = 75,816,807,612.32/245,364.10
  6. Step 6: Final answer
    x = 308,997.15

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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.