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Finding the Fourth Proportional to 941,540, 1,299,297.82 and 533,679.38

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Solution

The fourth proportional to 941,540, 1,299,297.82 and 533,679.38 is: 736,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,540 : 1,299,297.82 = 533,679.38 : x
  2. Step 2: Convert to fraction form
    941,540/1,299,297.82 = 533,679.38/x
  3. Step 3: Cross multiply
    941,540x = 1,299,297.82 × 533,679.38
  4. Step 4: Simplify right side
    941,540x = 693,408,445,848.07
  5. Step 5: Solve for x
    x = 693,408,445,848.07/941,540
  6. Step 6: Final answer
    x = 736,462.02

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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.