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Finding the Fourth Proportional to 364,724.66, 503,318.78 and 203,578.31

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Solution

The fourth proportional to 364,724.66, 503,318.78 and 203,578.31 is: 280,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,724.66 : 503,318.78 = 203,578.31 : x
  2. Step 2: Convert to fraction form
    364,724.66/503,318.78 = 203,578.31/x
  3. Step 3: Cross multiply
    364,724.66x = 503,318.78 × 203,578.31
  4. Step 4: Simplify right side
    364,724.66x = 102,464,783,089.18
  5. Step 5: Solve for x
    x = 102,464,783,089.18/364,724.66
  6. Step 6: Final answer
    x = 280,937.36

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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.