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Finding the Fourth Proportional to 369,620.21, 554,498.76 and 116,964.30

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Solution

The fourth proportional to 369,620.21, 554,498.76 and 116,964.30 is: 175,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,620.21 : 554,498.76 = 116,964.30 : x
  2. Step 2: Convert to fraction form
    369,620.21/554,498.76 = 116,964.30/x
  3. Step 3: Cross multiply
    369,620.21x = 554,498.76 × 116,964.30
  4. Step 4: Simplify right side
    369,620.21x = 64,856,561,832.25
  5. Step 5: Solve for x
    x = 64,856,561,832.25/369,620.21
  6. Step 6: Final answer
    x = 175,468.11

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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.