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Finding the Fourth Proportional to 435,949.56, 601,591.20 and 254,678.28

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Solution

The fourth proportional to 435,949.56, 601,591.20 and 254,678.28 is: 351,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,949.56 : 601,591.20 = 254,678.28 : x
  2. Step 2: Convert to fraction form
    435,949.56/601,591.20 = 254,678.28/x
  3. Step 3: Cross multiply
    435,949.56x = 601,591.20 × 254,678.28
  4. Step 4: Simplify right side
    435,949.56x = 153,212,212,079.14
  5. Step 5: Solve for x
    x = 153,212,212,079.14/435,949.56
  6. Step 6: Final answer
    x = 351,444.81

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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.