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Finding the Fourth Proportional to 544,326.30, 816,489.45 and 248,838.30

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Solution

The fourth proportional to 544,326.30, 816,489.45 and 248,838.30 is: 373,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,326.30 : 816,489.45 = 248,838.30 : x
  2. Step 2: Convert to fraction form
    544,326.30/816,489.45 = 248,838.30/x
  3. Step 3: Cross multiply
    544,326.30x = 816,489.45 × 248,838.30
  4. Step 4: Simplify right side
    544,326.30x = 203,173,846,705.94
  5. Step 5: Solve for x
    x = 203,173,846,705.94/544,326.30
  6. Step 6: Final answer
    x = 373,257.45

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Double scale
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Similar ratio
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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.