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Finding the Fourth Proportional to 560,942.14, 774,100.11 and 306,293.56

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Solution

The fourth proportional to 560,942.14, 774,100.11 and 306,293.56 is: 422,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,942.14 : 774,100.11 = 306,293.56 : x
  2. Step 2: Convert to fraction form
    560,942.14/774,100.11 = 306,293.56/x
  3. Step 3: Cross multiply
    560,942.14x = 774,100.11 × 306,293.56
  4. Step 4: Simplify right side
    560,942.14x = 237,101,878,488.29
  5. Step 5: Solve for x
    x = 237,101,878,488.29/560,942.14
  6. Step 6: Final answer
    x = 422,685.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.