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Finding the Fourth Proportional to 353,752.34, 488,173.65 and 192,605.54

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Solution

The fourth proportional to 353,752.34, 488,173.65 and 192,605.54 is: 265,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,752.34 : 488,173.65 = 192,605.54 : x
  2. Step 2: Convert to fraction form
    353,752.34/488,173.65 = 192,605.54/x
  3. Step 3: Cross multiply
    353,752.34x = 488,173.65 × 192,605.54
  4. Step 4: Simplify right side
    353,752.34x = 94,024,949,472.02
  5. Step 5: Solve for x
    x = 94,024,949,472.02/353,752.34
  6. Step 6: Final answer
    x = 265,793.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.