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Finding the Fourth Proportional to 371,006.84, 556,054.20 and 171,049.68

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Solution

The fourth proportional to 371,006.84, 556,054.20 and 171,049.68 is: 256,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,006.84 : 556,054.20 = 171,049.68 : x
  2. Step 2: Convert to fraction form
    371,006.84/556,054.20 = 171,049.68/x
  3. Step 3: Cross multiply
    371,006.84x = 556,054.20 × 171,049.68
  4. Step 4: Simplify right side
    371,006.84x = 95,112,892,972.66
  5. Step 5: Solve for x
    x = 95,112,892,972.66/371,006.84
  6. Step 6: Final answer
    x = 256,364.26

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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.