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Finding the Fourth Proportional to 603,659.81, 832,868.88 and 361,854.16

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Solution

The fourth proportional to 603,659.81, 832,868.88 and 361,854.16 is: 499,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,659.81 : 832,868.88 = 361,854.16 : x
  2. Step 2: Convert to fraction form
    603,659.81/832,868.88 = 361,854.16/x
  3. Step 3: Cross multiply
    603,659.81x = 832,868.88 × 361,854.16
  4. Step 4: Simplify right side
    603,659.81x = 301,377,068,962.54
  5. Step 5: Solve for x
    x = 301,377,068,962.54/603,659.81
  6. Step 6: Final answer
    x = 499,249.85

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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.