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Finding the Fourth Proportional to 548,700.68, 823,035.54 and 149,344.91

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Solution

The fourth proportional to 548,700.68, 823,035.54 and 149,344.91 is: 224,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,700.68 : 823,035.54 = 149,344.91 : x
  2. Step 2: Convert to fraction form
    548,700.68/823,035.54 = 149,344.91/x
  3. Step 3: Cross multiply
    548,700.68x = 823,035.54 × 149,344.91
  4. Step 4: Simplify right side
    548,700.68x = 122,916,168,648.10
  5. Step 5: Solve for x
    x = 122,916,168,648.10/548,700.68
  6. Step 6: Final answer
    x = 224,013.15

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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.