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Finding the Fourth Proportional to 369,168.97, 509,453.16 and 199,403.10

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Solution

The fourth proportional to 369,168.97, 509,453.16 and 199,403.10 is: 275,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,168.97 : 509,453.16 = 199,403.10 : x
  2. Step 2: Convert to fraction form
    369,168.97/509,453.16 = 199,403.10/x
  3. Step 3: Cross multiply
    369,168.97x = 509,453.16 × 199,403.10
  4. Step 4: Simplify right side
    369,168.97x = 101,586,539,408.80
  5. Step 5: Solve for x
    x = 101,586,539,408.80/369,168.97
  6. Step 6: Final answer
    x = 275,176.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.