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Finding the Fourth Proportional to 681,568.62, 940,526.33 and 375,644.07

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Solution

The fourth proportional to 681,568.62, 940,526.33 and 375,644.07 is: 518,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,568.62 : 940,526.33 = 375,644.07 : x
  2. Step 2: Convert to fraction form
    681,568.62/940,526.33 = 375,644.07/x
  3. Step 3: Cross multiply
    681,568.62x = 940,526.33 × 375,644.07
  4. Step 4: Simplify right side
    681,568.62x = 353,303,136,665.14
  5. Step 5: Solve for x
    x = 353,303,136,665.14/681,568.62
  6. Step 6: Final answer
    x = 518,367.67

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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.