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Finding the Fourth Proportional to 703,213.73, 970,238.07 and 441,597.25

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Solution

The fourth proportional to 703,213.73, 970,238.07 and 441,597.25 is: 609,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,213.73 : 970,238.07 = 441,597.25 : x
  2. Step 2: Convert to fraction form
    703,213.73/970,238.07 = 441,597.25/x
  3. Step 3: Cross multiply
    703,213.73x = 970,238.07 × 441,597.25
  4. Step 4: Simplify right side
    703,213.73x = 428,454,463,557.31
  5. Step 5: Solve for x
    x = 428,454,463,557.31/703,213.73
  6. Step 6: Final answer
    x = 609,280.57

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.