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Finding the Fourth Proportional to 565,151.58, 779,906.88 and 323,433

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Solution

The fourth proportional to 565,151.58, 779,906.88 and 323,433 is: 446,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,151.58 : 779,906.88 = 323,433 : x
  2. Step 2: Convert to fraction form
    565,151.58/779,906.88 = 323,433/x
  3. Step 3: Cross multiply
    565,151.58x = 779,906.88 × 323,433
  4. Step 4: Simplify right side
    565,151.58x = 252,247,621,919.04
  5. Step 5: Solve for x
    x = 252,247,621,919.04/565,151.58
  6. Step 6: Final answer
    x = 446,336.22

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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.