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Finding the Fourth Proportional to 441,611.40, 609,420.02 and 240,406.92

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Solution

The fourth proportional to 441,611.40, 609,420.02 and 240,406.92 is: 331,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,611.40 : 609,420.02 = 240,406.92 : x
  2. Step 2: Convert to fraction form
    441,611.40/609,420.02 = 240,406.92/x
  3. Step 3: Cross multiply
    441,611.40x = 609,420.02 × 240,406.92
  4. Step 4: Simplify right side
    441,611.40x = 146,508,789,994.54
  5. Step 5: Solve for x
    x = 146,508,789,994.54/441,611.40
  6. Step 6: Final answer
    x = 331,759.53

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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.