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Finding the Fourth Proportional to 545,957.84, 819,825.72 and 336,924.56

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Solution

The fourth proportional to 545,957.84, 819,825.72 and 336,924.56 is: 505,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,957.84 : 819,825.72 = 336,924.56 : x
  2. Step 2: Convert to fraction form
    545,957.84/819,825.72 = 336,924.56/x
  3. Step 3: Cross multiply
    545,957.84x = 819,825.72 × 336,924.56
  4. Step 4: Simplify right side
    545,957.84x = 276,219,419,987.68
  5. Step 5: Solve for x
    x = 276,219,419,987.68/545,957.84
  6. Step 6: Final answer
    x = 505,935.44

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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.