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Finding the Fourth Proportional to 346,992.84, 520,767.09 and 335,921.40

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Solution

The fourth proportional to 346,992.84, 520,767.09 and 335,921.40 is: 504,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,992.84 : 520,767.09 = 335,921.40 : x
  2. Step 2: Convert to fraction form
    346,992.84/520,767.09 = 335,921.40/x
  3. Step 3: Cross multiply
    346,992.84x = 520,767.09 × 335,921.40
  4. Step 4: Simplify right side
    346,992.84x = 174,936,809,946.73
  5. Step 5: Solve for x
    x = 174,936,809,946.73/346,992.84
  6. Step 6: Final answer
    x = 504,151.07

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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.