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Finding the Fourth Proportional to 633,695.60, 874,520.24 and 347,233.92

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Solution

The fourth proportional to 633,695.60, 874,520.24 and 347,233.92 is: 479,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,695.60 : 874,520.24 = 347,233.92 : x
  2. Step 2: Convert to fraction form
    633,695.60/874,520.24 = 347,233.92/x
  3. Step 3: Cross multiply
    633,695.60x = 874,520.24 × 347,233.92
  4. Step 4: Simplify right side
    633,695.60x = 303,663,091,054.54
  5. Step 5: Solve for x
    x = 303,663,091,054.54/633,695.60
  6. Step 6: Final answer
    x = 479,193.94

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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.