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Finding the Fourth Proportional to 504,366.16, 696,004.34 and 274,918.40

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Solution

The fourth proportional to 504,366.16, 696,004.34 and 274,918.40 is: 379,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,366.16 : 696,004.34 = 274,918.40 : x
  2. Step 2: Convert to fraction form
    504,366.16/696,004.34 = 274,918.40/x
  3. Step 3: Cross multiply
    504,366.16x = 696,004.34 × 274,918.40
  4. Step 4: Simplify right side
    504,366.16x = 191,344,399,545.86
  5. Step 5: Solve for x
    x = 191,344,399,545.86/504,366.16
  6. Step 6: Final answer
    x = 379,375.97

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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.