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Finding the Fourth Proportional to 296,776.71, 445,219.74 and 97,108.29

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Solution

The fourth proportional to 296,776.71, 445,219.74 and 97,108.29 is: 145,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,776.71 : 445,219.74 = 97,108.29 : x
  2. Step 2: Convert to fraction form
    296,776.71/445,219.74 = 97,108.29/x
  3. Step 3: Cross multiply
    296,776.71x = 445,219.74 × 97,108.29
  4. Step 4: Simplify right side
    296,776.71x = 43,234,527,625.64
  5. Step 5: Solve for x
    x = 43,234,527,625.64/296,776.71
  6. Step 6: Final answer
    x = 145,680.33

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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.