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Finding the Fourth Proportional to 504,366.67, 696,005.03 and 274,918.90

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Solution

The fourth proportional to 504,366.67, 696,005.03 and 274,918.90 is: 379,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,366.67 : 696,005.03 = 274,918.90 : x
  2. Step 2: Convert to fraction form
    504,366.67/696,005.03 = 274,918.90/x
  3. Step 3: Cross multiply
    504,366.67x = 696,005.03 × 274,918.90
  4. Step 4: Simplify right side
    504,366.67x = 191,344,933,762.04
  5. Step 5: Solve for x
    x = 191,344,933,762.04/504,366.67
  6. Step 6: Final answer
    x = 379,376.65

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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.