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Finding the Fourth Proportional to 603,722.99, 832,955.87 and 361,917.34

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Solution

The fourth proportional to 603,722.99, 832,955.87 and 361,917.34 is: 499,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,722.99 : 832,955.87 = 361,917.34 : x
  2. Step 2: Convert to fraction form
    603,722.99/832,955.87 = 361,917.34/x
  3. Step 3: Cross multiply
    603,722.99x = 832,955.87 × 361,917.34
  4. Step 4: Simplify right side
    603,722.99x = 301,461,171,630.19
  5. Step 5: Solve for x
    x = 301,461,171,630.19/603,722.99
  6. Step 6: Final answer
    x = 499,336.91

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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.