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Finding the Fourth Proportional to 346,729.72, 520,057.30 and 235,126.30

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Solution

The fourth proportional to 346,729.72, 520,057.30 and 235,126.30 is: 352,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,729.72 : 520,057.30 = 235,126.30 : x
  2. Step 2: Convert to fraction form
    346,729.72/520,057.30 = 235,126.30/x
  3. Step 3: Cross multiply
    346,729.72x = 520,057.30 × 235,126.30
  4. Step 4: Simplify right side
    346,729.72x = 122,279,148,736.99
  5. Step 5: Solve for x
    x = 122,279,148,736.99/346,729.72
  6. Step 6: Final answer
    x = 352,664.17

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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.