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Finding the Fourth Proportional to 341,440.88, 511,997.40 and 161,376.32

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Solution

The fourth proportional to 341,440.88, 511,997.40 and 161,376.32 is: 241,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,440.88 : 511,997.40 = 161,376.32 : x
  2. Step 2: Convert to fraction form
    341,440.88/511,997.40 = 161,376.32/x
  3. Step 3: Cross multiply
    341,440.88x = 511,997.40 × 161,376.32
  4. Step 4: Simplify right side
    341,440.88x = 82,624,256,261.57
  5. Step 5: Solve for x
    x = 82,624,256,261.57/341,440.88
  6. Step 6: Final answer
    x = 241,987.01

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1.5x scale

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.