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Finding the Fourth Proportional to 504,323.48, 695,960.28 and 274,880.06

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Solution

The fourth proportional to 504,323.48, 695,960.28 and 274,880.06 is: 379,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,323.48 : 695,960.28 = 274,880.06 : x
  2. Step 2: Convert to fraction form
    504,323.48/695,960.28 = 274,880.06/x
  3. Step 3: Cross multiply
    504,323.48x = 695,960.28 × 274,880.06
  4. Step 4: Simplify right side
    504,323.48x = 191,305,603,524.02
  5. Step 5: Solve for x
    x = 191,305,603,524.02/504,323.48
  6. Step 6: Final answer
    x = 379,331.15

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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.