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Finding the Fourth Proportional to 452,212.20, 623,837.16 and 270,837

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Solution

The fourth proportional to 452,212.20, 623,837.16 and 270,837 is: 373,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,212.20 : 623,837.16 = 270,837 : x
  2. Step 2: Convert to fraction form
    452,212.20/623,837.16 = 270,837/x
  3. Step 3: Cross multiply
    452,212.20x = 623,837.16 × 270,837
  4. Step 4: Simplify right side
    452,212.20x = 168,958,184,902.92
  5. Step 5: Solve for x
    x = 168,958,184,902.92/452,212.20
  6. Step 6: Final answer
    x = 373,625.89

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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.