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Finding the Fourth Proportional to 384,116.70, 576,175.05 and 248,814.30

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Solution

The fourth proportional to 384,116.70, 576,175.05 and 248,814.30 is: 373,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,116.70 : 576,175.05 = 248,814.30 : x
  2. Step 2: Convert to fraction form
    384,116.70/576,175.05 = 248,814.30/x
  3. Step 3: Cross multiply
    384,116.70x = 576,175.05 × 248,814.30
  4. Step 4: Simplify right side
    384,116.70x = 143,360,591,743.22
  5. Step 5: Solve for x
    x = 143,360,591,743.22/384,116.70
  6. Step 6: Final answer
    x = 373,221.45

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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.