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Finding the Fourth Proportional to 387,075.69, 580,694.29 and 195,058.04

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Solution

The fourth proportional to 387,075.69, 580,694.29 and 195,058.04 is: 292,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,075.69 : 580,694.29 = 195,058.04 : x
  2. Step 2: Convert to fraction form
    387,075.69/580,694.29 = 195,058.04/x
  3. Step 3: Cross multiply
    387,075.69x = 580,694.29 × 195,058.04
  4. Step 4: Simplify right side
    387,075.69x = 113,269,086,655.48
  5. Step 5: Solve for x
    x = 113,269,086,655.48/387,075.69
  6. Step 6: Final answer
    x = 292,627.75

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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.