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Finding the Fourth Proportional to 355,508.44, 533,290.20 and 118,852

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Solution

The fourth proportional to 355,508.44, 533,290.20 and 118,852 is: 178,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,508.44 : 533,290.20 = 118,852 : x
  2. Step 2: Convert to fraction form
    355,508.44/533,290.20 = 118,852/x
  3. Step 3: Cross multiply
    355,508.44x = 533,290.20 × 118,852
  4. Step 4: Simplify right side
    355,508.44x = 63,382,606,850.40
  5. Step 5: Solve for x
    x = 63,382,606,850.40/355,508.44
  6. Step 6: Final answer
    x = 178,287.21

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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.