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Finding the Fourth Proportional to 569,212.35, 853,692.79 and 164,316.56

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Solution

The fourth proportional to 569,212.35, 853,692.79 and 164,316.56 is: 246,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,212.35 : 853,692.79 = 164,316.56 : x
  2. Step 2: Convert to fraction form
    569,212.35/853,692.79 = 164,316.56/x
  3. Step 3: Cross multiply
    569,212.35x = 853,692.79 × 164,316.56
  4. Step 4: Simplify right side
    569,212.35x = 140,275,864,643.11
  5. Step 5: Solve for x
    x = 140,275,864,643.11/569,212.35
  6. Step 6: Final answer
    x = 246,438.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.