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Finding the Fourth Proportional to 343,798.46, 515,803.26 and 164,113.17

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Solution

The fourth proportional to 343,798.46, 515,803.26 and 164,113.17 is: 246,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,798.46 : 515,803.26 = 164,113.17 : x
  2. Step 2: Convert to fraction form
    343,798.46/515,803.26 = 164,113.17/x
  3. Step 3: Cross multiply
    343,798.46x = 515,803.26 × 164,113.17
  4. Step 4: Simplify right side
    343,798.46x = 84,650,108,094.93
  5. Step 5: Solve for x
    x = 84,650,108,094.93/343,798.46
  6. Step 6: Final answer
    x = 246,220.15

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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.