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Finding the Fourth Proportional to 342,793.61, 473,053.92 and 191,890.61

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Solution

The fourth proportional to 342,793.61, 473,053.92 and 191,890.61 is: 264,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,793.61 : 473,053.92 = 191,890.61 : x
  2. Step 2: Convert to fraction form
    342,793.61/473,053.92 = 191,890.61/x
  3. Step 3: Cross multiply
    342,793.61x = 473,053.92 × 191,890.61
  4. Step 4: Simplify right side
    342,793.61x = 90,774,602,906.42
  5. Step 5: Solve for x
    x = 90,774,602,906.42/342,793.61
  6. Step 6: Final answer
    x = 264,808.33

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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.