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Finding the Fourth Proportional to 482,455.69, 665,352.97 and 301,184.37

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Solution

The fourth proportional to 482,455.69, 665,352.97 and 301,184.37 is: 415,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,455.69 : 665,352.97 = 301,184.37 : x
  2. Step 2: Convert to fraction form
    482,455.69/665,352.97 = 301,184.37/x
  3. Step 3: Cross multiply
    482,455.69x = 665,352.97 × 301,184.37
  4. Step 4: Simplify right side
    482,455.69x = 200,393,914,344.12
  5. Step 5: Solve for x
    x = 200,393,914,344.12/482,455.69
  6. Step 6: Final answer
    x = 415,362.32

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1.5x scale

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.