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Finding the Fourth Proportional to 681,806.16, 940,849.83 and 375,866.73

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Solution

The fourth proportional to 681,806.16, 940,849.83 and 375,866.73 is: 518,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,806.16 : 940,849.83 = 375,866.73 : x
  2. Step 2: Convert to fraction form
    681,806.16/940,849.83 = 375,866.73/x
  3. Step 3: Cross multiply
    681,806.16x = 940,849.83 × 375,866.73
  4. Step 4: Simplify right side
    681,806.16x = 353,634,149,023.16
  5. Step 5: Solve for x
    x = 353,634,149,023.16/681,806.16
  6. Step 6: Final answer
    x = 518,672.56

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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.