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Finding the Fourth Proportional to 469,660.24, 648,131.36 and 254,800.24

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Solution

The fourth proportional to 469,660.24, 648,131.36 and 254,800.24 is: 351,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,660.24 : 648,131.36 = 254,800.24 : x
  2. Step 2: Convert to fraction form
    469,660.24/648,131.36 = 254,800.24/x
  3. Step 3: Cross multiply
    469,660.24x = 648,131.36 × 254,800.24
  4. Step 4: Simplify right side
    469,660.24x = 165,144,026,079.53
  5. Step 5: Solve for x
    x = 165,144,026,079.53/469,660.24
  6. Step 6: Final answer
    x = 351,624.46

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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.