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Finding the Fourth Proportional to 633,485.28, 950,366.28 and 212,750.16

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Solution

The fourth proportional to 633,485.28, 950,366.28 and 212,750.16 is: 319,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,485.28 : 950,366.28 = 212,750.16 : x
  2. Step 2: Convert to fraction form
    633,485.28/950,366.28 = 212,750.16/x
  3. Step 3: Cross multiply
    633,485.28x = 950,366.28 × 212,750.16
  4. Step 4: Simplify right side
    633,485.28x = 202,190,578,128.61
  5. Step 5: Solve for x
    x = 202,190,578,128.61/633,485.28
  6. Step 6: Final answer
    x = 319,171.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.