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Finding the Fourth Proportional to 329,046.87, 493,602.71 and 136,881.87

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Solution

The fourth proportional to 329,046.87, 493,602.71 and 136,881.87 is: 205,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,046.87 : 493,602.71 = 136,881.87 : x
  2. Step 2: Convert to fraction form
    329,046.87/493,602.71 = 136,881.87/x
  3. Step 3: Cross multiply
    329,046.87x = 493,602.71 × 136,881.87
  4. Step 4: Simplify right side
    329,046.87x = 67,565,261,297.46
  5. Step 5: Solve for x
    x = 67,565,261,297.46/329,046.87
  6. Step 6: Final answer
    x = 205,336.28

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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.