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Finding the Fourth Proportional to 248,938.40, 372,716.40 and 242,026.40

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Solution

The fourth proportional to 248,938.40, 372,716.40 and 242,026.40 is: 362,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,938.40 : 372,716.40 = 242,026.40 : x
  2. Step 2: Convert to fraction form
    248,938.40/372,716.40 = 242,026.40/x
  3. Step 3: Cross multiply
    248,938.40x = 372,716.40 × 242,026.40
  4. Step 4: Simplify right side
    248,938.40x = 90,207,208,512.96
  5. Step 5: Solve for x
    x = 90,207,208,512.96/248,938.40
  6. Step 6: Final answer
    x = 362,367.59

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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.