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Finding the Fourth Proportional to 369,273.53, 554,003.60 and 103,033.88

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Solution

The fourth proportional to 369,273.53, 554,003.60 and 103,033.88 is: 154,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,273.53 : 554,003.60 = 103,033.88 : x
  2. Step 2: Convert to fraction form
    369,273.53/554,003.60 = 103,033.88/x
  3. Step 3: Cross multiply
    369,273.53x = 554,003.60 × 103,033.88
  4. Step 4: Simplify right side
    369,273.53x = 57,081,137,156.78
  5. Step 5: Solve for x
    x = 57,081,137,156.78/369,273.53
  6. Step 6: Final answer
    x = 154,576.85

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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.