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Finding the Fourth Proportional to 341,976.44, 512,973.42 and 162,019.74

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Solution

The fourth proportional to 341,976.44, 512,973.42 and 162,019.74 is: 243,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,976.44 : 512,973.42 = 162,019.74 : x
  2. Step 2: Convert to fraction form
    341,976.44/512,973.42 = 162,019.74/x
  3. Step 3: Cross multiply
    341,976.44x = 512,973.42 × 162,019.74
  4. Step 4: Simplify right side
    341,976.44x = 83,111,820,135.31
  5. Step 5: Solve for x
    x = 83,111,820,135.31/341,976.44
  6. Step 6: Final answer
    x = 243,033.76

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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.