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Finding the Fourth Proportional to 603,659.57, 832,868.54 and 361,853.91

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Solution

The fourth proportional to 603,659.57, 832,868.54 and 361,853.91 is: 499,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,659.57 : 832,868.54 = 361,853.91 : x
  2. Step 2: Convert to fraction form
    603,659.57/832,868.54 = 361,853.91/x
  3. Step 3: Cross multiply
    603,659.57x = 832,868.54 × 361,853.91
  4. Step 4: Simplify right side
    603,659.57x = 301,376,735,905.72
  5. Step 5: Solve for x
    x = 301,376,735,905.72/603,659.57
  6. Step 6: Final answer
    x = 499,249.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.