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Finding the Fourth Proportional to 565,171.01, 779,890.75 and 323,398.16

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Solution

The fourth proportional to 565,171.01, 779,890.75 and 323,398.16 is: 446,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,171.01 : 779,890.75 = 323,398.16 : x
  2. Step 2: Convert to fraction form
    565,171.01/779,890.75 = 323,398.16/x
  3. Step 3: Cross multiply
    565,171.01x = 779,890.75 × 323,398.16
  4. Step 4: Simplify right side
    565,171.01x = 252,215,231,934.03
  5. Step 5: Solve for x
    x = 252,215,231,934.03/565,171.01
  6. Step 6: Final answer
    x = 446,263.57

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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.