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Finding the Fourth Proportional to 556,459.71, 834,755.78 and 177,247.27

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Solution

The fourth proportional to 556,459.71, 834,755.78 and 177,247.27 is: 265,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,459.71 : 834,755.78 = 177,247.27 : x
  2. Step 2: Convert to fraction form
    556,459.71/834,755.78 = 177,247.27/x
  3. Step 3: Cross multiply
    556,459.71x = 834,755.78 × 177,247.27
  4. Step 4: Simplify right side
    556,459.71x = 147,958,183,121.72
  5. Step 5: Solve for x
    x = 147,958,183,121.72/556,459.71
  6. Step 6: Final answer
    x = 265,892.00

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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.