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Finding the Fourth Proportional to 603,574.49, 833,005.22 and 361,989.97

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Solution

The fourth proportional to 603,574.49, 833,005.22 and 361,989.97 is: 499,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,574.49 : 833,005.22 = 361,989.97 : x
  2. Step 2: Convert to fraction form
    603,574.49/833,005.22 = 361,989.97/x
  3. Step 3: Cross multiply
    603,574.49x = 833,005.22 × 361,989.97
  4. Step 4: Simplify right side
    603,574.49x = 301,539,528,622.67
  5. Step 5: Solve for x
    x = 301,539,528,622.67/603,574.49
  6. Step 6: Final answer
    x = 499,589.58

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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.