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Finding the Fourth Proportional to 353,697.84, 488,109.26 and 192,557.52

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Solution

The fourth proportional to 353,697.84, 488,109.26 and 192,557.52 is: 265,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,697.84 : 488,109.26 = 192,557.52 : x
  2. Step 2: Convert to fraction form
    353,697.84/488,109.26 = 192,557.52/x
  3. Step 3: Cross multiply
    353,697.84x = 488,109.26 × 192,557.52
  4. Step 4: Simplify right side
    353,697.84x = 93,989,107,631.85
  5. Step 5: Solve for x
    x = 93,989,107,631.85/353,697.84
  6. Step 6: Final answer
    x = 265,732.77

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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.