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Finding the Fourth Proportional to 555,097.60, 765,829.76 and 364,216.96

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Solution

The fourth proportional to 555,097.60, 765,829.76 and 364,216.96 is: 502,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,097.60 : 765,829.76 = 364,216.96 : x
  2. Step 2: Convert to fraction form
    555,097.60/765,829.76 = 364,216.96/x
  3. Step 3: Cross multiply
    555,097.60x = 765,829.76 × 364,216.96
  4. Step 4: Simplify right side
    555,097.60x = 278,928,187,064.73
  5. Step 5: Solve for x
    x = 278,928,187,064.73/555,097.60
  6. Step 6: Final answer
    x = 502,484.95

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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.