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Finding the Fourth Proportional to 369,832.53, 554,285.71 and 198,633.54

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Solution

The fourth proportional to 369,832.53, 554,285.71 and 198,633.54 is: 297,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,832.53 : 554,285.71 = 198,633.54 : x
  2. Step 2: Convert to fraction form
    369,832.53/554,285.71 = 198,633.54/x
  3. Step 3: Cross multiply
    369,832.53x = 554,285.71 × 198,633.54
  4. Step 4: Simplify right side
    369,832.53x = 110,099,730,840.41
  5. Step 5: Solve for x
    x = 110,099,730,840.41/369,832.53
  6. Step 6: Final answer
    x = 297,701.58

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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.