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Finding the Fourth Proportional to 376,813.81, 565,220.72 and 176,987.62

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Solution

The fourth proportional to 376,813.81, 565,220.72 and 176,987.62 is: 265,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,813.81 : 565,220.72 = 176,987.62 : x
  2. Step 2: Convert to fraction form
    376,813.81/565,220.72 = 176,987.62/x
  3. Step 3: Cross multiply
    376,813.81x = 565,220.72 × 176,987.62
  4. Step 4: Simplify right side
    376,813.81x = 100,037,070,007.49
  5. Step 5: Solve for x
    x = 100,037,070,007.49/376,813.81
  6. Step 6: Final answer
    x = 265,481.43

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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.