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Finding the Fourth Proportional to 441,396, 609,126.48 and 240,193.44

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Solution

The fourth proportional to 441,396, 609,126.48 and 240,193.44 is: 331,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,396 : 609,126.48 = 240,193.44 : x
  2. Step 2: Convert to fraction form
    441,396/609,126.48 = 240,193.44/x
  3. Step 3: Cross multiply
    441,396x = 609,126.48 × 240,193.44
  4. Step 4: Simplify right side
    441,396x = 146,308,184,626.29
  5. Step 5: Solve for x
    x = 146,308,184,626.29/441,396
  6. Step 6: Final answer
    x = 331,466.95

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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.