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Finding the Fourth Proportional to 560,506.20, 840,892.78 and 181,427.01

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Solution

The fourth proportional to 560,506.20, 840,892.78 and 181,427.01 is: 272,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,506.20 : 840,892.78 = 181,427.01 : x
  2. Step 2: Convert to fraction form
    560,506.20/840,892.78 = 181,427.01/x
  3. Step 3: Cross multiply
    560,506.20x = 840,892.78 × 181,427.01
  4. Step 4: Simplify right side
    560,506.20x = 152,560,658,858.90
  5. Step 5: Solve for x
    x = 152,560,658,858.90/560,506.20
  6. Step 6: Final answer
    x = 272,183.72

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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.