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Finding the Fourth Proportional to 940,506.35, 1,297,978.81 and 532,680.74

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Solution

The fourth proportional to 940,506.35, 1,297,978.81 and 532,680.74 is: 735,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,506.35 : 1,297,978.81 = 532,680.74 : x
  2. Step 2: Convert to fraction form
    940,506.35/1,297,978.81 = 532,680.74/x
  3. Step 3: Cross multiply
    940,506.35x = 1,297,978.81 × 532,680.74
  4. Step 4: Simplify right side
    940,506.35x = 691,408,310,351.72
  5. Step 5: Solve for x
    x = 691,408,310,351.72/940,506.35
  6. Step 6: Final answer
    x = 735,144.76

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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.