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Finding the Fourth Proportional to 356,666.49, 492,234.97 and 203,727.55

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Solution

The fourth proportional to 356,666.49, 492,234.97 and 203,727.55 is: 281,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,666.49 : 492,234.97 = 203,727.55 : x
  2. Step 2: Convert to fraction form
    356,666.49/492,234.97 = 203,727.55/x
  3. Step 3: Cross multiply
    356,666.49x = 492,234.97 × 203,727.55
  4. Step 4: Simplify right side
    356,666.49x = 100,281,824,462.42
  5. Step 5: Solve for x
    x = 100,281,824,462.42/356,666.49
  6. Step 6: Final answer
    x = 281,164.13

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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.