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Finding the Fourth Proportional to 565,318.74, 780,103.17 and 323,603.22

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Solution

The fourth proportional to 565,318.74, 780,103.17 and 323,603.22 is: 446,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,318.74 : 780,103.17 = 323,603.22 : x
  2. Step 2: Convert to fraction form
    565,318.74/780,103.17 = 323,603.22/x
  3. Step 3: Cross multiply
    565,318.74x = 780,103.17 × 323,603.22
  4. Step 4: Simplify right side
    565,318.74x = 252,443,897,744.21
  5. Step 5: Solve for x
    x = 252,443,897,744.21/565,318.74
  6. Step 6: Final answer
    x = 446,551.44

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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.