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Finding the Fourth Proportional to 332,886.25, 499,455.15 and 199,859.32

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Solution

The fourth proportional to 332,886.25, 499,455.15 and 199,859.32 is: 299,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,886.25 : 499,455.15 = 199,859.32 : x
  2. Step 2: Convert to fraction form
    332,886.25/499,455.15 = 199,859.32/x
  3. Step 3: Cross multiply
    332,886.25x = 499,455.15 × 199,859.32
  4. Step 4: Simplify right side
    332,886.25x = 99,820,766,649.50
  5. Step 5: Solve for x
    x = 99,820,766,649.50/332,886.25
  6. Step 6: Final answer
    x = 299,864.49

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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.