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Finding the Fourth Proportional to 555,956.02, 767,198.68 and 301,301.74

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Solution

The fourth proportional to 555,956.02, 767,198.68 and 301,301.74 is: 415,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,956.02 : 767,198.68 = 301,301.74 : x
  2. Step 2: Convert to fraction form
    555,956.02/767,198.68 = 301,301.74/x
  3. Step 3: Cross multiply
    555,956.02x = 767,198.68 × 301,301.74
  4. Step 4: Simplify right side
    555,956.02x = 231,158,297,209.70
  5. Step 5: Solve for x
    x = 231,158,297,209.70/555,956.02
  6. Step 6: Final answer
    x = 415,785.22

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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.