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Finding the Fourth Proportional to 403,051.55, 603,658.24 and 192,838.19

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Solution

The fourth proportional to 403,051.55, 603,658.24 and 192,838.19 is: 288,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,051.55 : 603,658.24 = 192,838.19 : x
  2. Step 2: Convert to fraction form
    403,051.55/603,658.24 = 192,838.19/x
  3. Step 3: Cross multiply
    403,051.55x = 603,658.24 × 192,838.19
  4. Step 4: Simplify right side
    403,051.55x = 116,408,358,879.80
  5. Step 5: Solve for x
    x = 116,408,358,879.80/403,051.55
  6. Step 6: Final answer
    x = 288,817.55

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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.