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Finding the Fourth Proportional to 348,343.02, 522,694.35 and 148,609.80

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Solution

The fourth proportional to 348,343.02, 522,694.35 and 148,609.80 is: 222,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,343.02 : 522,694.35 = 148,609.80 : x
  2. Step 2: Convert to fraction form
    348,343.02/522,694.35 = 148,609.80/x
  3. Step 3: Cross multiply
    348,343.02x = 522,694.35 × 148,609.80
  4. Step 4: Simplify right side
    348,343.02x = 77,677,502,814.63
  5. Step 5: Solve for x
    x = 77,677,502,814.63/348,343.02
  6. Step 6: Final answer
    x = 222,991.41

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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.