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Finding the Fourth Proportional to 560,040.75, 840,145.37 and 180,834.39

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Solution

The fourth proportional to 560,040.75, 840,145.37 and 180,834.39 is: 271,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,040.75 : 840,145.37 = 180,834.39 : x
  2. Step 2: Convert to fraction form
    560,040.75/840,145.37 = 180,834.39/x
  3. Step 3: Cross multiply
    560,040.75x = 840,145.37 × 180,834.39
  4. Step 4: Simplify right side
    560,040.75x = 151,927,174,591.10
  5. Step 5: Solve for x
    x = 151,927,174,591.10/560,040.75
  6. Step 6: Final answer
    x = 271,278.79

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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.