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Finding the Fourth Proportional to 940,506.27, 1,297,978.71 and 532,680.66

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Solution

The fourth proportional to 940,506.27, 1,297,978.71 and 532,680.66 is: 735,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,506.27 : 1,297,978.71 = 532,680.66 : x
  2. Step 2: Convert to fraction form
    940,506.27/1,297,978.71 = 532,680.66/x
  3. Step 3: Cross multiply
    940,506.27x = 1,297,978.71 × 532,680.66
  4. Step 4: Simplify right side
    940,506.27x = 691,408,159,496.08
  5. Step 5: Solve for x
    x = 691,408,159,496.08/940,506.27
  6. Step 6: Final answer
    x = 735,144.65

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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.