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Finding the Fourth Proportional to 248,686.08, 343,084 and 173,278.32

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Solution

The fourth proportional to 248,686.08, 343,084 and 173,278.32 is: 239,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,686.08 : 343,084 = 173,278.32 : x
  2. Step 2: Convert to fraction form
    248,686.08/343,084 = 173,278.32/x
  3. Step 3: Cross multiply
    248,686.08x = 343,084 × 173,278.32
  4. Step 4: Simplify right side
    248,686.08x = 59,449,019,138.88
  5. Step 5: Solve for x
    x = 59,449,019,138.88/248,686.08
  6. Step 6: Final answer
    x = 239,052.46

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1.5x scale

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.