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Finding the Fourth Proportional to 503,639.30, 754,984.06 and 250,680.62

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Solution

The fourth proportional to 503,639.30, 754,984.06 and 250,680.62 is: 375,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,639.30 : 754,984.06 = 250,680.62 : x
  2. Step 2: Convert to fraction form
    503,639.30/754,984.06 = 250,680.62/x
  3. Step 3: Cross multiply
    503,639.30x = 754,984.06 × 250,680.62
  4. Step 4: Simplify right side
    503,639.30x = 189,259,873,511.68
  5. Step 5: Solve for x
    x = 189,259,873,511.68/503,639.30
  6. Step 6: Final answer
    x = 375,784.56

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Double scale
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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.