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Finding the Fourth Proportional to 373,615.28, 560,381.34 and 133,719.48

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Solution

The fourth proportional to 373,615.28, 560,381.34 and 133,719.48 is: 200,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,615.28 : 560,381.34 = 133,719.48 : x
  2. Step 2: Convert to fraction form
    373,615.28/560,381.34 = 133,719.48/x
  3. Step 3: Cross multiply
    373,615.28x = 560,381.34 × 133,719.48
  4. Step 4: Simplify right side
    373,615.28x = 74,933,901,386.50
  5. Step 5: Solve for x
    x = 74,933,901,386.50/373,615.28
  6. Step 6: Final answer
    x = 200,564.34

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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.