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Finding the Fourth Proportional to 331,031.96, 456,744.48 and 195,071.48

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Solution

The fourth proportional to 331,031.96, 456,744.48 and 195,071.48 is: 269,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,031.96 : 456,744.48 = 195,071.48 : x
  2. Step 2: Convert to fraction form
    331,031.96/456,744.48 = 195,071.48/x
  3. Step 3: Cross multiply
    331,031.96x = 456,744.48 × 195,071.48
  4. Step 4: Simplify right side
    331,031.96x = 89,097,821,695.43
  5. Step 5: Solve for x
    x = 89,097,821,695.43/331,031.96
  6. Step 6: Final answer
    x = 269,151.72

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1.5x scale

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.