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Finding the Fourth Proportional to 445,496.40, 614,777.58 and 251,901

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Solution

The fourth proportional to 445,496.40, 614,777.58 and 251,901 is: 347,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,496.40 : 614,777.58 = 251,901 : x
  2. Step 2: Convert to fraction form
    445,496.40/614,777.58 = 251,901/x
  3. Step 3: Cross multiply
    445,496.40x = 614,777.58 × 251,901
  4. Step 4: Simplify right side
    445,496.40x = 154,863,087,179.58
  5. Step 5: Solve for x
    x = 154,863,087,179.58/445,496.40
  6. Step 6: Final answer
    x = 347,619.17

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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.