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Finding the Fourth Proportional to 248,652.31, 372,981.08 and 199,047.74

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Solution

The fourth proportional to 248,652.31, 372,981.08 and 199,047.74 is: 298,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,652.31 : 372,981.08 = 199,047.74 : x
  2. Step 2: Convert to fraction form
    248,652.31/372,981.08 = 199,047.74/x
  3. Step 3: Cross multiply
    248,652.31x = 372,981.08 × 199,047.74
  4. Step 4: Simplify right side
    248,652.31x = 74,241,038,176.62
  5. Step 5: Solve for x
    x = 74,241,038,176.62/248,652.31
  6. Step 6: Final answer
    x = 298,573.69

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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.