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Finding the Fourth Proportional to 504,221.62, 695,801.04 and 274,778.21

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Solution

The fourth proportional to 504,221.62, 695,801.04 and 274,778.21 is: 379,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,221.62 : 695,801.04 = 274,778.21 : x
  2. Step 2: Convert to fraction form
    504,221.62/695,801.04 = 274,778.21/x
  3. Step 3: Cross multiply
    504,221.62x = 695,801.04 × 274,778.21
  4. Step 4: Simplify right side
    504,221.62x = 191,190,963,400.98
  5. Step 5: Solve for x
    x = 191,190,963,400.98/504,221.62
  6. Step 6: Final answer
    x = 379,180.42

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1.5x scale

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.