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Finding the Fourth Proportional to 344,690.56, 517,035.06 and 164,228.20

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Solution

The fourth proportional to 344,690.56, 517,035.06 and 164,228.20 is: 246,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,690.56 : 517,035.06 = 164,228.20 : x
  2. Step 2: Convert to fraction form
    344,690.56/517,035.06 = 164,228.20/x
  3. Step 3: Cross multiply
    344,690.56x = 517,035.06 × 164,228.20
  4. Step 4: Simplify right side
    344,690.56x = 84,911,737,240.69
  5. Step 5: Solve for x
    x = 84,911,737,240.69/344,690.56
  6. Step 6: Final answer
    x = 246,341.93

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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.