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Finding the Fourth Proportional to 344,388.96, 515,621.16 and 186,050.16

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Solution

The fourth proportional to 344,388.96, 515,621.16 and 186,050.16 is: 278,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,388.96 : 515,621.16 = 186,050.16 : x
  2. Step 2: Convert to fraction form
    344,388.96/515,621.16 = 186,050.16/x
  3. Step 3: Cross multiply
    344,388.96x = 515,621.16 × 186,050.16
  4. Step 4: Simplify right side
    344,388.96x = 95,931,399,317.39
  5. Step 5: Solve for x
    x = 95,931,399,317.39/344,388.96
  6. Step 6: Final answer
    x = 278,555.38

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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.