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Finding the Fourth Proportional to 504,204, 695,792.88 and 274,763.40

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Solution

The fourth proportional to 504,204, 695,792.88 and 274,763.40 is: 379,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,204 : 695,792.88 = 274,763.40 : x
  2. Step 2: Convert to fraction form
    504,204/695,792.88 = 274,763.40/x
  3. Step 3: Cross multiply
    504,204x = 695,792.88 × 274,763.40
  4. Step 4: Simplify right side
    504,204x = 191,178,417,404.59
  5. Step 5: Solve for x
    x = 191,178,417,404.59/504,204
  6. Step 6: Final answer
    x = 379,168.78

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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.