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Finding the Fourth Proportional to 355,605.58, 533,348.82 and 118,947.52

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Solution

The fourth proportional to 355,605.58, 533,348.82 and 118,947.52 is: 178,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,605.58 : 533,348.82 = 118,947.52 : x
  2. Step 2: Convert to fraction form
    355,605.58/533,348.82 = 118,947.52/x
  3. Step 3: Cross multiply
    355,605.58x = 533,348.82 × 118,947.52
  4. Step 4: Simplify right side
    355,605.58x = 63,440,519,433.93
  5. Step 5: Solve for x
    x = 63,440,519,433.93/355,605.58
  6. Step 6: Final answer
    x = 178,401.36

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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.