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Finding the Fourth Proportional to 633,512.43, 874,247.11 and 347,032.44

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Solution

The fourth proportional to 633,512.43, 874,247.11 and 347,032.44 is: 478,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,512.43 : 874,247.11 = 347,032.44 : x
  2. Step 2: Convert to fraction form
    633,512.43/874,247.11 = 347,032.44/x
  3. Step 3: Cross multiply
    633,512.43x = 874,247.11 × 347,032.44
  4. Step 4: Simplify right side
    633,512.43x = 303,392,106,878.67
  5. Step 5: Solve for x
    x = 303,392,106,878.67/633,512.43
  6. Step 6: Final answer
    x = 478,904.74

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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.