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Finding the Fourth Proportional to 519,124.40, 778,832.40 and 252,893.60

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Solution

The fourth proportional to 519,124.40, 778,832.40 and 252,893.60 is: 379,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,124.40 : 778,832.40 = 252,893.60 : x
  2. Step 2: Convert to fraction form
    519,124.40/778,832.40 = 252,893.60/x
  3. Step 3: Cross multiply
    519,124.40x = 778,832.40 × 252,893.60
  4. Step 4: Simplify right side
    519,124.40x = 196,961,729,432.64
  5. Step 5: Solve for x
    x = 196,961,729,432.64/519,124.40
  6. Step 6: Final answer
    x = 379,411.43

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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.