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Finding the Fourth Proportional to 441,185.74, 661,716.14 and 141,626.88

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Solution

The fourth proportional to 441,185.74, 661,716.14 and 141,626.88 is: 212,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,185.74 : 661,716.14 = 141,626.88 : x
  2. Step 2: Convert to fraction form
    441,185.74/661,716.14 = 141,626.88/x
  3. Step 3: Cross multiply
    441,185.74x = 661,716.14 × 141,626.88
  4. Step 4: Simplify right side
    441,185.74x = 93,716,791,645.71
  5. Step 5: Solve for x
    x = 93,716,791,645.71/441,185.74
  6. Step 6: Final answer
    x = 212,420.27

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1.5x scale

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.