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Finding the Fourth Proportional to 373,553.04, 515,502.52 and 203,787.20

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Solution

The fourth proportional to 373,553.04, 515,502.52 and 203,787.20 is: 281,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,553.04 : 515,502.52 = 203,787.20 : x
  2. Step 2: Convert to fraction form
    373,553.04/515,502.52 = 203,787.20/x
  3. Step 3: Cross multiply
    373,553.04x = 515,502.52 × 203,787.20
  4. Step 4: Simplify right side
    373,553.04x = 105,052,815,143.74
  5. Step 5: Solve for x
    x = 105,052,815,143.74/373,553.04
  6. Step 6: Final answer
    x = 281,225.97

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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.