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Finding the Fourth Proportional to 351,392.88, 484,922.46 and 190,248.05

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Solution

The fourth proportional to 351,392.88, 484,922.46 and 190,248.05 is: 262,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,392.88 : 484,922.46 = 190,248.05 : x
  2. Step 2: Convert to fraction form
    351,392.88/484,922.46 = 190,248.05/x
  3. Step 3: Cross multiply
    351,392.88x = 484,922.46 × 190,248.05
  4. Step 4: Simplify right side
    351,392.88x = 92,255,549,991.59
  5. Step 5: Solve for x
    x = 92,255,549,991.59/351,392.88
  6. Step 6: Final answer
    x = 262,542.46

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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.