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Finding the Fourth Proportional to 348,675.30, 522,028.80 and 338,833.80

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Solution

The fourth proportional to 348,675.30, 522,028.80 and 338,833.80 is: 507,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,675.30 : 522,028.80 = 338,833.80 : x
  2. Step 2: Convert to fraction form
    348,675.30/522,028.80 = 338,833.80/x
  3. Step 3: Cross multiply
    348,675.30x = 522,028.80 × 338,833.80
  4. Step 4: Simplify right side
    348,675.30x = 176,881,002,013.44
  5. Step 5: Solve for x
    x = 176,881,002,013.44/348,675.30
  6. Step 6: Final answer
    x = 507,294.33

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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.