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Finding the Fourth Proportional to 353,602.29, 487,971.11 and 192,458.51

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Solution

The fourth proportional to 353,602.29, 487,971.11 and 192,458.51 is: 265,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,602.29 : 487,971.11 = 192,458.51 : x
  2. Step 2: Convert to fraction form
    353,602.29/487,971.11 = 192,458.51/x
  3. Step 3: Cross multiply
    353,602.29x = 487,971.11 × 192,458.51
  4. Step 4: Simplify right side
    353,602.29x = 93,914,190,711.12
  5. Step 5: Solve for x
    x = 93,914,190,711.12/353,602.29
  6. Step 6: Final answer
    x = 265,592.71

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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.