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Finding the Fourth Proportional to 479,595.52, 719,392.80 and 142,634.80

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Solution

The fourth proportional to 479,595.52, 719,392.80 and 142,634.80 is: 213,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,595.52 : 719,392.80 = 142,634.80 : x
  2. Step 2: Convert to fraction form
    479,595.52/719,392.80 = 142,634.80/x
  3. Step 3: Cross multiply
    479,595.52x = 719,392.80 × 142,634.80
  4. Step 4: Simplify right side
    479,595.52x = 102,610,448,149.44
  5. Step 5: Solve for x
    x = 102,610,448,149.44/479,595.52
  6. Step 6: Final answer
    x = 213,952.06

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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.