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Finding the Fourth Proportional to 348,254.02, 522,614.04 and 126,638.02

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Solution

The fourth proportional to 348,254.02, 522,614.04 and 126,638.02 is: 190,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,254.02 : 522,614.04 = 126,638.02 : x
  2. Step 2: Convert to fraction form
    348,254.02/522,614.04 = 126,638.02/x
  3. Step 3: Cross multiply
    348,254.02x = 522,614.04 × 126,638.02
  4. Step 4: Simplify right side
    348,254.02x = 66,182,807,249.80
  5. Step 5: Solve for x
    x = 66,182,807,249.80/348,254.02
  6. Step 6: Final answer
    x = 190,041.76

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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.