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Finding the Fourth Proportional to 681,568.83, 940,526.60 and 375,644.25

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Solution

The fourth proportional to 681,568.83, 940,526.60 and 375,644.25 is: 518,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,568.83 : 940,526.60 = 375,644.25 : x
  2. Step 2: Convert to fraction form
    681,568.83/940,526.60 = 375,644.25/x
  3. Step 3: Cross multiply
    681,568.83x = 940,526.60 × 375,644.25
  4. Step 4: Simplify right side
    681,568.83x = 353,303,407,383.83
  5. Step 5: Solve for x
    x = 353,303,407,383.83/681,568.83
  6. Step 6: Final answer
    x = 518,367.91

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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.