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Finding the Fourth Proportional to 469,682.55, 648,156.09 and 254,821.04

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Solution

The fourth proportional to 469,682.55, 648,156.09 and 254,821.04 is: 351,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,682.55 : 648,156.09 = 254,821.04 : x
  2. Step 2: Convert to fraction form
    469,682.55/648,156.09 = 254,821.04/x
  3. Step 3: Cross multiply
    469,682.55x = 648,156.09 × 254,821.04
  4. Step 4: Simplify right side
    469,682.55x = 165,163,805,695.35
  5. Step 5: Solve for x
    x = 165,163,805,695.35/469,682.55
  6. Step 6: Final answer
    x = 351,649.87

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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.