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Finding the Fourth Proportional to 555,730.24, 766,908.55 and 301,081.44

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Solution

The fourth proportional to 555,730.24, 766,908.55 and 301,081.44 is: 415,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,730.24 : 766,908.55 = 301,081.44 : x
  2. Step 2: Convert to fraction form
    555,730.24/766,908.55 = 301,081.44/x
  3. Step 3: Cross multiply
    555,730.24x = 766,908.55 × 301,081.44
  4. Step 4: Simplify right side
    555,730.24x = 230,901,930,582.31
  5. Step 5: Solve for x
    x = 230,901,930,582.31/555,730.24
  6. Step 6: Final answer
    x = 415,492.83

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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.