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Finding the Fourth Proportional to 633,825.32, 874,685.82 and 347,339.25

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Solution

The fourth proportional to 633,825.32, 874,685.82 and 347,339.25 is: 479,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,825.32 : 874,685.82 = 347,339.25 : x
  2. Step 2: Convert to fraction form
    633,825.32/874,685.82 = 347,339.25/x
  3. Step 3: Cross multiply
    633,825.32x = 874,685.82 × 347,339.25
  4. Step 4: Simplify right side
    633,825.32x = 303,812,716,704.44
  5. Step 5: Solve for x
    x = 303,812,716,704.44/633,825.32
  6. Step 6: Final answer
    x = 479,331.94

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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.