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Finding the Fourth Proportional to 560,608.54, 840,882.65 and 276,015.38

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Solution

The fourth proportional to 560,608.54, 840,882.65 and 276,015.38 is: 414,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,608.54 : 840,882.65 = 276,015.38 : x
  2. Step 2: Convert to fraction form
    560,608.54/840,882.65 = 276,015.38/x
  3. Step 3: Cross multiply
    560,608.54x = 840,882.65 × 276,015.38
  4. Step 4: Simplify right side
    560,608.54x = 232,096,544,175.16
  5. Step 5: Solve for x
    x = 232,096,544,175.16/560,608.54
  6. Step 6: Final answer
    x = 414,008.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.