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Finding the Fourth Proportional to 270,458.98, 372,894.08 and 173,491.88

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Solution

The fourth proportional to 270,458.98, 372,894.08 and 173,491.88 is: 239,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,458.98 : 372,894.08 = 173,491.88 : x
  2. Step 2: Convert to fraction form
    270,458.98/372,894.08 = 173,491.88/x
  3. Step 3: Cross multiply
    270,458.98x = 372,894.08 × 173,491.88
  4. Step 4: Simplify right side
    270,458.98x = 64,694,094,980.07
  5. Step 5: Solve for x
    x = 64,694,094,980.07/270,458.98
  6. Step 6: Final answer
    x = 239,201.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.