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Finding the Fourth Proportional to 363,166.04, 545,638.74 and 343,023.80

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Solution

The fourth proportional to 363,166.04, 545,638.74 and 343,023.80 is: 515,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,166.04 : 545,638.74 = 343,023.80 : x
  2. Step 2: Convert to fraction form
    363,166.04/545,638.74 = 343,023.80/x
  3. Step 3: Cross multiply
    363,166.04x = 545,638.74 × 343,023.80
  4. Step 4: Simplify right side
    363,166.04x = 187,167,074,022.01
  5. Step 5: Solve for x
    x = 187,167,074,022.01/363,166.04
  6. Step 6: Final answer
    x = 515,376.04

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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.