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Finding the Fourth Proportional to 633,763.20, 874,588.08 and 347,282.52

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Solution

The fourth proportional to 633,763.20, 874,588.08 and 347,282.52 is: 479,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,763.20 : 874,588.08 = 347,282.52 : x
  2. Step 2: Convert to fraction form
    633,763.20/874,588.08 = 347,282.52/x
  3. Step 3: Cross multiply
    633,763.20x = 874,588.08 × 347,282.52
  4. Step 4: Simplify right side
    633,763.20x = 303,729,152,384.36
  5. Step 5: Solve for x
    x = 303,729,152,384.36/633,763.20
  6. Step 6: Final answer
    x = 479,247.06

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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.