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Finding the Fourth Proportional to 348,893.52, 523,340.82 and 99,575.52

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Solution

The fourth proportional to 348,893.52, 523,340.82 and 99,575.52 is: 149,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,893.52 : 523,340.82 = 99,575.52 : x
  2. Step 2: Convert to fraction form
    348,893.52/523,340.82 = 99,575.52/x
  3. Step 3: Cross multiply
    348,893.52x = 523,340.82 × 99,575.52
  4. Step 4: Simplify right side
    348,893.52x = 52,111,934,288.73
  5. Step 5: Solve for x
    x = 52,111,934,288.73/348,893.52
  6. Step 6: Final answer
    x = 149,363.43

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1.5x scale

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.