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Finding the Fourth Proportional to 441,953.58, 662,486.49 and 142,213.89

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Solution

The fourth proportional to 441,953.58, 662,486.49 and 142,213.89 is: 213,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,953.58 : 662,486.49 = 142,213.89 : x
  2. Step 2: Convert to fraction form
    441,953.58/662,486.49 = 142,213.89/x
  3. Step 3: Cross multiply
    441,953.58x = 662,486.49 × 142,213.89
  4. Step 4: Simplify right side
    441,953.58x = 94,214,780,815.35
  5. Step 5: Solve for x
    x = 94,214,780,815.35/441,953.58
  6. Step 6: Final answer
    x = 213,178.00

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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.