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Finding the Fourth Proportional to 603,660.57, 832,869.91 and 361,854.91

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Solution

The fourth proportional to 603,660.57, 832,869.91 and 361,854.91 is: 499,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,660.57 : 832,869.91 = 361,854.91 : x
  2. Step 2: Convert to fraction form
    603,660.57/832,869.91 = 361,854.91/x
  3. Step 3: Cross multiply
    603,660.57x = 832,869.91 × 361,854.91
  4. Step 4: Simplify right side
    603,660.57x = 301,378,066,324.76
  5. Step 5: Solve for x
    x = 301,378,066,324.76/603,660.57
  6. Step 6: Final answer
    x = 499,250.87

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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.