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Finding the Fourth Proportional to 603,327.63, 903,613.63 and 288,005.97

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Solution

The fourth proportional to 603,327.63, 903,613.63 and 288,005.97 is: 431,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,327.63 : 903,613.63 = 288,005.97 : x
  2. Step 2: Convert to fraction form
    603,327.63/903,613.63 = 288,005.97/x
  3. Step 3: Cross multiply
    603,327.63x = 903,613.63 × 288,005.97
  4. Step 4: Simplify right side
    603,327.63x = 260,246,120,013.37
  5. Step 5: Solve for x
    x = 260,246,120,013.37/603,327.63
  6. Step 6: Final answer
    x = 431,351.24

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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.