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Finding the Fourth Proportional to 348,881.79, 481,508.94 and 212,994.51

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Solution

The fourth proportional to 348,881.79, 481,508.94 and 212,994.51 is: 293,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,881.79 : 481,508.94 = 212,994.51 : x
  2. Step 2: Convert to fraction form
    348,881.79/481,508.94 = 212,994.51/x
  3. Step 3: Cross multiply
    348,881.79x = 481,508.94 × 212,994.51
  4. Step 4: Simplify right side
    348,881.79x = 102,558,761,239.38
  5. Step 5: Solve for x
    x = 102,558,761,239.38/348,881.79
  6. Step 6: Final answer
    x = 293,964.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.