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Finding the Fourth Proportional to 681,504.92, 940,483.22 and 375,592.48

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Solution

The fourth proportional to 681,504.92, 940,483.22 and 375,592.48 is: 518,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,504.92 : 940,483.22 = 375,592.48 : x
  2. Step 2: Convert to fraction form
    681,504.92/940,483.22 = 375,592.48/x
  3. Step 3: Cross multiply
    681,504.92x = 940,483.22 × 375,592.48
  4. Step 4: Simplify right side
    681,504.92x = 353,238,424,998.19
  5. Step 5: Solve for x
    x = 353,238,424,998.19/681,504.92
  6. Step 6: Final answer
    x = 518,321.17

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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.