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Finding the Fourth Proportional to 633,693.75, 874,497.42 and 347,224.11

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Solution

The fourth proportional to 633,693.75, 874,497.42 and 347,224.11 is: 479,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,693.75 : 874,497.42 = 347,224.11 : x
  2. Step 2: Convert to fraction form
    633,693.75/874,497.42 = 347,224.11/x
  3. Step 3: Cross multiply
    633,693.75x = 874,497.42 × 347,224.11
  4. Step 4: Simplify right side
    633,693.75x = 303,646,588,356.80
  5. Step 5: Solve for x
    x = 303,646,588,356.80/633,693.75
  6. Step 6: Final answer
    x = 479,169.30

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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.