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Finding the Fourth Proportional to 445,019.58, 663,247.88 and 437,933.82

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Solution

The fourth proportional to 445,019.58, 663,247.88 and 437,933.82 is: 652,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,019.58 : 663,247.88 = 437,933.82 : x
  2. Step 2: Convert to fraction form
    445,019.58/663,247.88 = 437,933.82/x
  3. Step 3: Cross multiply
    445,019.58x = 663,247.88 × 437,933.82
  4. Step 4: Simplify right side
    445,019.58x = 290,458,675,505.63
  5. Step 5: Solve for x
    x = 290,458,675,505.63/445,019.58
  6. Step 6: Final answer
    x = 652,687.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.