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Finding the Fourth Proportional to 365,759.87, 504,469.55 and 314,856.23

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Solution

The fourth proportional to 365,759.87, 504,469.55 and 314,856.23 is: 434,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,759.87 : 504,469.55 = 314,856.23 : x
  2. Step 2: Convert to fraction form
    365,759.87/504,469.55 = 314,856.23/x
  3. Step 3: Cross multiply
    365,759.87x = 504,469.55 × 314,856.23
  4. Step 4: Simplify right side
    365,759.87x = 158,835,378,927.59
  5. Step 5: Solve for x
    x = 158,835,378,927.59/365,759.87
  6. Step 6: Final answer
    x = 434,261.37

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1.5x scale

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.