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Finding the Fourth Proportional to 447,802.60, 671,579.21 and 148,306.53

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Solution

The fourth proportional to 447,802.60, 671,579.21 and 148,306.53 is: 222,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,802.60 : 671,579.21 = 148,306.53 : x
  2. Step 2: Convert to fraction form
    447,802.60/671,579.21 = 148,306.53/x
  3. Step 3: Cross multiply
    447,802.60x = 671,579.21 × 148,306.53
  4. Step 4: Simplify right side
    447,802.60x = 99,599,584,863.73
  5. Step 5: Solve for x
    x = 99,599,584,863.73/447,802.60
  6. Step 6: Final answer
    x = 222,418.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.