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Finding the Fourth Proportional to 436,190.40, 601,901.28 and 254,944.80

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Solution

The fourth proportional to 436,190.40, 601,901.28 and 254,944.80 is: 351,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,190.40 : 601,901.28 = 254,944.80 : x
  2. Step 2: Convert to fraction form
    436,190.40/601,901.28 = 254,944.80/x
  3. Step 3: Cross multiply
    436,190.40x = 601,901.28 × 254,944.80
  4. Step 4: Simplify right side
    436,190.40x = 153,451,601,449.34
  5. Step 5: Solve for x
    x = 153,451,601,449.34/436,190.40
  6. Step 6: Final answer
    x = 351,799.58

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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.