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Finding the Fourth Proportional to 633,584.70, 874,346.94 and 347,105.52

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Solution

The fourth proportional to 633,584.70, 874,346.94 and 347,105.52 is: 479,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,584.70 : 874,346.94 = 347,105.52 : x
  2. Step 2: Convert to fraction form
    633,584.70/874,346.94 = 347,105.52/x
  3. Step 3: Cross multiply
    633,584.70x = 874,346.94 × 347,105.52
  4. Step 4: Simplify right side
    633,584.70x = 303,490,649,269.11
  5. Step 5: Solve for x
    x = 303,490,649,269.11/633,584.70
  6. Step 6: Final answer
    x = 479,005.65

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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.