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Finding the Fourth Proportional to 565,170.51, 779,890.06 and 323,397.66

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Solution

The fourth proportional to 565,170.51, 779,890.06 and 323,397.66 is: 446,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,170.51 : 779,890.06 = 323,397.66 : x
  2. Step 2: Convert to fraction form
    565,170.51/779,890.06 = 323,397.66/x
  3. Step 3: Cross multiply
    565,170.51x = 779,890.06 × 323,397.66
  4. Step 4: Simplify right side
    565,170.51x = 252,214,618,844.27
  5. Step 5: Solve for x
    x = 252,214,618,844.27/565,170.51
  6. Step 6: Final answer
    x = 446,262.88

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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.