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Finding the Fourth Proportional to 284,818.73, 427,269.56 and 104,990.22

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Solution

The fourth proportional to 284,818.73, 427,269.56 and 104,990.22 is: 157,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,818.73 : 427,269.56 = 104,990.22 : x
  2. Step 2: Convert to fraction form
    284,818.73/427,269.56 = 104,990.22/x
  3. Step 3: Cross multiply
    284,818.73x = 427,269.56 × 104,990.22
  4. Step 4: Simplify right side
    284,818.73x = 44,859,124,578.75
  5. Step 5: Solve for x
    x = 44,859,124,578.75/284,818.73
  6. Step 6: Final answer
    x = 157,500.62

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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.