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Finding the Fourth Proportional to 681,504.96, 940,483.27 and 375,592.37

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Solution

The fourth proportional to 681,504.96, 940,483.27 and 375,592.37 is: 518,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,504.96 : 940,483.27 = 375,592.37 : x
  2. Step 2: Convert to fraction form
    681,504.96/940,483.27 = 375,592.37/x
  3. Step 3: Cross multiply
    681,504.96x = 940,483.27 × 375,592.37
  4. Step 4: Simplify right side
    681,504.96x = 353,238,343,145.35
  5. Step 5: Solve for x
    x = 353,238,343,145.35/681,504.96
  6. Step 6: Final answer
    x = 518,321.02

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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.