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Finding the Fourth Proportional to 441,065.97, 661,559.58 and 141,465.18

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Solution

The fourth proportional to 441,065.97, 661,559.58 and 141,465.18 is: 212,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,065.97 : 661,559.58 = 141,465.18 : x
  2. Step 2: Convert to fraction form
    441,065.97/661,559.58 = 141,465.18/x
  3. Step 3: Cross multiply
    441,065.97x = 661,559.58 × 141,465.18
  4. Step 4: Simplify right side
    441,065.97x = 93,587,645,065.42
  5. Step 5: Solve for x
    x = 93,587,645,065.42/441,065.97
  6. Step 6: Final answer
    x = 212,185.14

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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.