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Finding the Fourth Proportional to 248,940.40, 372,719.40 and 242,028.40

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Solution

The fourth proportional to 248,940.40, 372,719.40 and 242,028.40 is: 362,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,940.40 : 372,719.40 = 242,028.40 : x
  2. Step 2: Convert to fraction form
    248,940.40/372,719.40 = 242,028.40/x
  3. Step 3: Cross multiply
    248,940.40x = 372,719.40 × 242,028.40
  4. Step 4: Simplify right side
    248,940.40x = 90,208,680,030.96
  5. Step 5: Solve for x
    x = 90,208,680,030.96/248,940.40
  6. Step 6: Final answer
    x = 362,370.59

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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.