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Finding the Fourth Proportional to 482,453.44, 665,349.86 and 301,182.12

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Solution

The fourth proportional to 482,453.44, 665,349.86 and 301,182.12 is: 415,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,453.44 : 665,349.86 = 301,182.12 : x
  2. Step 2: Convert to fraction form
    482,453.44/665,349.86 = 301,182.12/x
  3. Step 3: Cross multiply
    482,453.44x = 665,349.86 × 301,182.12
  4. Step 4: Simplify right side
    482,453.44x = 200,391,482,129.46
  5. Step 5: Solve for x
    x = 200,391,482,129.46/482,453.44
  6. Step 6: Final answer
    x = 415,359.22

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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.