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Finding the Fourth Proportional to 296,691.12, 445,064.04 and 97,012.54

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Solution

The fourth proportional to 296,691.12, 445,064.04 and 97,012.54 is: 145,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,691.12 : 445,064.04 = 97,012.54 : x
  2. Step 2: Convert to fraction form
    296,691.12/445,064.04 = 97,012.54/x
  3. Step 3: Cross multiply
    296,691.12x = 445,064.04 × 97,012.54
  4. Step 4: Simplify right side
    296,691.12x = 43,176,792,983.06
  5. Step 5: Solve for x
    x = 43,176,792,983.06/296,691.12
  6. Step 6: Final answer
    x = 145,527.76

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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.