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Finding the Fourth Proportional to 346,797.88, 520,492.07 and 136,583.44

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Solution

The fourth proportional to 346,797.88, 520,492.07 and 136,583.44 is: 204,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,797.88 : 520,492.07 = 136,583.44 : x
  2. Step 2: Convert to fraction form
    346,797.88/520,492.07 = 136,583.44/x
  3. Step 3: Cross multiply
    346,797.88x = 520,492.07 × 136,583.44
  4. Step 4: Simplify right side
    346,797.88x = 71,090,596,453.55
  5. Step 5: Solve for x
    x = 71,090,596,453.55/346,797.88
  6. Step 6: Final answer
    x = 204,991.44

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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.