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Finding the Fourth Proportional to 341,319.26, 511,597.24 and 127,881.83

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Solution

The fourth proportional to 341,319.26, 511,597.24 and 127,881.83 is: 191,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,319.26 : 511,597.24 = 127,881.83 : x
  2. Step 2: Convert to fraction form
    341,319.26/511,597.24 = 127,881.83/x
  3. Step 3: Cross multiply
    341,319.26x = 511,597.24 × 127,881.83
  4. Step 4: Simplify right side
    341,319.26x = 65,423,991,274.15
  5. Step 5: Solve for x
    x = 65,423,991,274.15/341,319.26
  6. Step 6: Final answer
    x = 191,679.75

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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.