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Finding the Fourth Proportional to 353,598.52, 487,977.93 and 192,459.41

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Solution

The fourth proportional to 353,598.52, 487,977.93 and 192,459.41 is: 265,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,598.52 : 487,977.93 = 192,459.41 : x
  2. Step 2: Convert to fraction form
    353,598.52/487,977.93 = 192,459.41/x
  3. Step 3: Cross multiply
    353,598.52x = 487,977.93 × 192,459.41
  4. Step 4: Simplify right side
    353,598.52x = 93,915,944,500.82
  5. Step 5: Solve for x
    x = 93,915,944,500.82/353,598.52
  6. Step 6: Final answer
    x = 265,600.50

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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.