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Finding the Fourth Proportional to 295,713.80, 443,628.30 and 127,233.80

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Solution

The fourth proportional to 295,713.80, 443,628.30 and 127,233.80 is: 190,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,713.80 : 443,628.30 = 127,233.80 : x
  2. Step 2: Convert to fraction form
    295,713.80/443,628.30 = 127,233.80/x
  3. Step 3: Cross multiply
    295,713.80x = 443,628.30 × 127,233.80
  4. Step 4: Simplify right side
    295,713.80x = 56,444,514,396.54
  5. Step 5: Solve for x
    x = 56,444,514,396.54/295,713.80
  6. Step 6: Final answer
    x = 190,875.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.