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Finding the Fourth Proportional to 329,070.53, 493,605.77 and 79,752.53

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Solution

The fourth proportional to 329,070.53, 493,605.77 and 79,752.53 is: 119,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,070.53 : 493,605.77 = 79,752.53 : x
  2. Step 2: Convert to fraction form
    329,070.53/493,605.77 = 79,752.53/x
  3. Step 3: Cross multiply
    329,070.53x = 493,605.77 × 79,752.53
  4. Step 4: Simplify right side
    329,070.53x = 39,366,309,815.35
  5. Step 5: Solve for x
    x = 39,366,309,815.35/329,070.53
  6. Step 6: Final answer
    x = 119,628.79

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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.