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Finding the Fourth Proportional to 504,528.50, 696,254.78 and 275,083.92

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Solution

The fourth proportional to 504,528.50, 696,254.78 and 275,083.92 is: 379,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,528.50 : 696,254.78 = 275,083.92 : x
  2. Step 2: Convert to fraction form
    504,528.50/696,254.78 = 275,083.92/x
  3. Step 3: Cross multiply
    504,528.50x = 696,254.78 × 275,083.92
  4. Step 4: Simplify right side
    504,528.50x = 191,528,494,201.14
  5. Step 5: Solve for x
    x = 191,528,494,201.14/504,528.50
  6. Step 6: Final answer
    x = 379,618.78

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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.