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Finding the Fourth Proportional to 336,371.76, 504,543 and 83,646.96

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Solution

The fourth proportional to 336,371.76, 504,543 and 83,646.96 is: 125,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,371.76 : 504,543 = 83,646.96 : x
  2. Step 2: Convert to fraction form
    336,371.76/504,543 = 83,646.96/x
  3. Step 3: Cross multiply
    336,371.76x = 504,543 × 83,646.96
  4. Step 4: Simplify right side
    336,371.76x = 42,203,488,139.28
  5. Step 5: Solve for x
    x = 42,203,488,139.28/336,371.76
  6. Step 6: Final answer
    x = 125,466.80

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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.