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Finding the Fourth Proportional to 353,595.54, 487,961.81 and 192,451.74

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Solution

The fourth proportional to 353,595.54, 487,961.81 and 192,451.74 is: 265,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,595.54 : 487,961.81 = 192,451.74 : x
  2. Step 2: Convert to fraction form
    353,595.54/487,961.81 = 192,451.74/x
  3. Step 3: Cross multiply
    353,595.54x = 487,961.81 × 192,451.74
  4. Step 4: Simplify right side
    353,595.54x = 93,909,099,869.18
  5. Step 5: Solve for x
    x = 93,909,099,869.18/353,595.54
  6. Step 6: Final answer
    x = 265,583.38

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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.