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Finding the Fourth Proportional to 469,493.04, 647,900.70 and 254,633.04

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Solution

The fourth proportional to 469,493.04, 647,900.70 and 254,633.04 is: 351,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,493.04 : 647,900.70 = 254,633.04 : x
  2. Step 2: Convert to fraction form
    469,493.04/647,900.70 = 254,633.04/x
  3. Step 3: Cross multiply
    469,493.04x = 647,900.70 × 254,633.04
  4. Step 4: Simplify right side
    469,493.04x = 164,976,924,859.13
  5. Step 5: Solve for x
    x = 164,976,924,859.13/469,493.04
  6. Step 6: Final answer
    x = 351,393.76

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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.