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Finding the Fourth Proportional to 603,668.46, 832,880.80 and 361,862.80

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Solution

The fourth proportional to 603,668.46, 832,880.80 and 361,862.80 is: 499,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,668.46 : 832,880.80 = 361,862.80 : x
  2. Step 2: Convert to fraction form
    603,668.46/832,880.80 = 361,862.80/x
  3. Step 3: Cross multiply
    603,668.46x = 832,880.80 × 361,862.80
  4. Step 4: Simplify right side
    603,668.46x = 301,388,578,354.24
  5. Step 5: Solve for x
    x = 301,388,578,354.24/603,668.46
  6. Step 6: Final answer
    x = 499,261.76

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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.