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Finding the Fourth Proportional to 300,476.18, 450,774.42 and 110,937.70

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Solution

The fourth proportional to 300,476.18, 450,774.42 and 110,937.70 is: 166,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,476.18 : 450,774.42 = 110,937.70 : x
  2. Step 2: Convert to fraction form
    300,476.18/450,774.42 = 110,937.70/x
  3. Step 3: Cross multiply
    300,476.18x = 450,774.42 × 110,937.70
  4. Step 4: Simplify right side
    300,476.18x = 50,007,876,818.95
  5. Step 5: Solve for x
    x = 50,007,876,818.95/300,476.18
  6. Step 6: Final answer
    x = 166,428.76

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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.