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Finding the Fourth Proportional to 265,674.08, 398,597.28 and 159,041.43

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Solution

The fourth proportional to 265,674.08, 398,597.28 and 159,041.43 is: 238,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,674.08 : 398,597.28 = 159,041.43 : x
  2. Step 2: Convert to fraction form
    265,674.08/398,597.28 = 159,041.43/x
  3. Step 3: Cross multiply
    265,674.08x = 398,597.28 × 159,041.43
  4. Step 4: Simplify right side
    265,674.08x = 63,393,481,405.31
  5. Step 5: Solve for x
    x = 63,393,481,405.31/265,674.08
  6. Step 6: Final answer
    x = 238,613.72

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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.