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Finding the Fourth Proportional to 633,622.88, 874,423.68 and 361,735.04

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Solution

The fourth proportional to 633,622.88, 874,423.68 and 361,735.04 is: 499,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,622.88 : 874,423.68 = 361,735.04 : x
  2. Step 2: Convert to fraction form
    633,622.88/874,423.68 = 361,735.04/x
  3. Step 3: Cross multiply
    633,622.88x = 874,423.68 × 361,735.04
  4. Step 4: Simplify right side
    633,622.88x = 316,309,684,861.75
  5. Step 5: Solve for x
    x = 316,309,684,861.75/633,622.88
  6. Step 6: Final answer
    x = 499,208.12

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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.