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Finding the Fourth Proportional to 458,885.70, 633,270.30 and 254,955.24

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Solution

The fourth proportional to 458,885.70, 633,270.30 and 254,955.24 is: 351,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,885.70 : 633,270.30 = 254,955.24 : x
  2. Step 2: Convert to fraction form
    458,885.70/633,270.30 = 254,955.24/x
  3. Step 3: Cross multiply
    458,885.70x = 633,270.30 × 254,955.24
  4. Step 4: Simplify right side
    458,885.70x = 161,455,581,321.37
  5. Step 5: Solve for x
    x = 161,455,581,321.37/458,885.70
  6. Step 6: Final answer
    x = 351,842.69

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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.