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Finding the Fourth Proportional to 387,675.43, 581,275 and 150,741.92

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Solution

The fourth proportional to 387,675.43, 581,275 and 150,741.92 is: 226,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,675.43 : 581,275 = 150,741.92 : x
  2. Step 2: Convert to fraction form
    387,675.43/581,275 = 150,741.92/x
  3. Step 3: Cross multiply
    387,675.43x = 581,275 × 150,741.92
  4. Step 4: Simplify right side
    387,675.43x = 87,622,509,548
  5. Step 5: Solve for x
    x = 87,622,509,548/387,675.43
  6. Step 6: Final answer
    x = 226,020.28

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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.