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Finding the Fourth Proportional to 329,068.52, 493,602.77 and 79,750.52

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Solution

The fourth proportional to 329,068.52, 493,602.77 and 79,750.52 is: 119,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,068.52 : 493,602.77 = 79,750.52 : x
  2. Step 2: Convert to fraction form
    329,068.52/493,602.77 = 79,750.52/x
  3. Step 3: Cross multiply
    329,068.52x = 493,602.77 × 79,750.52
  4. Step 4: Simplify right side
    329,068.52x = 39,365,077,580.94
  5. Step 5: Solve for x
    x = 39,365,077,580.94/329,068.52
  6. Step 6: Final answer
    x = 119,625.78

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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.