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Finding the Fourth Proportional to 369,026.70, 553,540.05 and 254,865.30

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Solution

The fourth proportional to 369,026.70, 553,540.05 and 254,865.30 is: 382,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,026.70 : 553,540.05 = 254,865.30 : x
  2. Step 2: Convert to fraction form
    369,026.70/553,540.05 = 254,865.30/x
  3. Step 3: Cross multiply
    369,026.70x = 553,540.05 × 254,865.30
  4. Step 4: Simplify right side
    369,026.70x = 141,078,150,905.27
  5. Step 5: Solve for x
    x = 141,078,150,905.27/369,026.70
  6. Step 6: Final answer
    x = 382,297.95

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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.