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Finding the Fourth Proportional to 3,775,790.16, 5,663,581.56 and 935,839.44

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Solution

The fourth proportional to 3,775,790.16, 5,663,581.56 and 935,839.44 is: 1,403,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775,790.16 : 5,663,581.56 = 935,839.44 : x
  2. Step 2: Convert to fraction form
    3,775,790.16/5,663,581.56 = 935,839.44/x
  3. Step 3: Cross multiply
    3,775,790.16x = 5,663,581.56 × 935,839.44
  4. Step 4: Simplify right side
    3,775,790.16x = 5,300,202,995,504.73
  5. Step 5: Solve for x
    x = 5,300,202,995,504.73/3,775,790.16
  6. Step 6: Final answer
    x = 1,403,733.46

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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.