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Finding the Fourth Proportional to 693,915.37, 957,867.47 and 452,256.73

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Solution

The fourth proportional to 693,915.37, 957,867.47 and 452,256.73 is: 624,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,915.37 : 957,867.47 = 452,256.73 : x
  2. Step 2: Convert to fraction form
    693,915.37/957,867.47 = 452,256.73/x
  3. Step 3: Cross multiply
    693,915.37x = 957,867.47 × 452,256.73
  4. Step 4: Simplify right side
    693,915.37x = 433,202,007,494.29
  5. Step 5: Solve for x
    x = 433,202,007,494.29/693,915.37
  6. Step 6: Final answer
    x = 624,286.51

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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.