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Finding the Fourth Proportional to 548,146.88, 822,361.80 and 169,059.06

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Solution

The fourth proportional to 548,146.88, 822,361.80 and 169,059.06 is: 253,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,146.88 : 822,361.80 = 169,059.06 : x
  2. Step 2: Convert to fraction form
    548,146.88/822,361.80 = 169,059.06/x
  3. Step 3: Cross multiply
    548,146.88x = 822,361.80 × 169,059.06
  4. Step 4: Simplify right side
    548,146.88x = 139,027,712,887.91
  5. Step 5: Solve for x
    x = 139,027,712,887.91/548,146.88
  6. Step 6: Final answer
    x = 253,632.23

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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.