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Finding the Fourth Proportional to 352,924.50, 487,035.81 and 193,948.50

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Solution

The fourth proportional to 352,924.50, 487,035.81 and 193,948.50 is: 267,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,924.50 : 487,035.81 = 193,948.50 : x
  2. Step 2: Convert to fraction form
    352,924.50/487,035.81 = 193,948.50/x
  3. Step 3: Cross multiply
    352,924.50x = 487,035.81 × 193,948.50
  4. Step 4: Simplify right side
    352,924.50x = 94,459,864,795.79
  5. Step 5: Solve for x
    x = 94,459,864,795.79/352,924.50
  6. Step 6: Final answer
    x = 267,648.93

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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.