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Finding the Fourth Proportional to 681,527.68, 940,514.58 and 375,615.28

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Solution

The fourth proportional to 681,527.68, 940,514.58 and 375,615.28 is: 518,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,527.68 : 940,514.58 = 375,615.28 : x
  2. Step 2: Convert to fraction form
    681,527.68/940,514.58 = 375,615.28/x
  3. Step 3: Cross multiply
    681,527.68x = 940,514.58 × 375,615.28
  4. Step 4: Simplify right side
    681,527.68x = 353,271,647,310.78
  5. Step 5: Solve for x
    x = 353,271,647,310.78/681,527.68
  6. Step 6: Final answer
    x = 518,352.60

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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.