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Finding the Fourth Proportional to 298,192.25, 411,753.63 and 276,555.98

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Solution

The fourth proportional to 298,192.25, 411,753.63 and 276,555.98 is: 381,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,192.25 : 411,753.63 = 276,555.98 : x
  2. Step 2: Convert to fraction form
    298,192.25/411,753.63 = 276,555.98/x
  3. Step 3: Cross multiply
    298,192.25x = 411,753.63 × 276,555.98
  4. Step 4: Simplify right side
    298,192.25x = 113,872,929,753.08
  5. Step 5: Solve for x
    x = 113,872,929,753.08/298,192.25
  6. Step 6: Final answer
    x = 381,877.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.