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Finding the Fourth Proportional to 443,503.26, 665,281.62 and 301,288.32

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Solution

The fourth proportional to 443,503.26, 665,281.62 and 301,288.32 is: 451,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,503.26 : 665,281.62 = 301,288.32 : x
  2. Step 2: Convert to fraction form
    443,503.26/665,281.62 = 301,288.32/x
  3. Step 3: Cross multiply
    443,503.26x = 665,281.62 × 301,288.32
  4. Step 4: Simplify right side
    443,503.26x = 200,441,581,616.68
  5. Step 5: Solve for x
    x = 200,441,581,616.68/443,503.26
  6. Step 6: Final answer
    x = 451,950.64

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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.