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Finding the Fourth Proportional to 346,625.70, 520,084.35 and 188,967.30

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Solution

The fourth proportional to 346,625.70, 520,084.35 and 188,967.30 is: 283,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,625.70 : 520,084.35 = 188,967.30 : x
  2. Step 2: Convert to fraction form
    346,625.70/520,084.35 = 188,967.30/x
  3. Step 3: Cross multiply
    346,625.70x = 520,084.35 × 188,967.30
  4. Step 4: Simplify right side
    346,625.70x = 98,278,935,391.76
  5. Step 5: Solve for x
    x = 98,278,935,391.76/346,625.70
  6. Step 6: Final answer
    x = 283,530.43

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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.