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Finding the Fourth Proportional to 565,089.48, 779,867.19 and 323,447.85

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Solution

The fourth proportional to 565,089.48, 779,867.19 and 323,447.85 is: 446,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,089.48 : 779,867.19 = 323,447.85 : x
  2. Step 2: Convert to fraction form
    565,089.48/779,867.19 = 323,447.85/x
  3. Step 3: Cross multiply
    565,089.48x = 779,867.19 × 323,447.85
  4. Step 4: Simplify right side
    565,089.48x = 252,246,365,891.04
  5. Step 5: Solve for x
    x = 252,246,365,891.04/565,089.48
  6. Step 6: Final answer
    x = 446,383.05

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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.