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Finding the Fourth Proportional to 555,956.52, 767,199.36 and 301,302.24

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Solution

The fourth proportional to 555,956.52, 767,199.36 and 301,302.24 is: 415,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,956.52 : 767,199.36 = 301,302.24 : x
  2. Step 2: Convert to fraction form
    555,956.52/767,199.36 = 301,302.24/x
  3. Step 3: Cross multiply
    555,956.52x = 767,199.36 × 301,302.24
  4. Step 4: Simplify right side
    555,956.52x = 231,158,885,694.57
  5. Step 5: Solve for x
    x = 231,158,885,694.57/555,956.52
  6. Step 6: Final answer
    x = 415,785.91

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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.