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Finding the Fourth Proportional to 265,232.40, 397,848.60 and 253,714.20

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Solution

The fourth proportional to 265,232.40, 397,848.60 and 253,714.20 is: 380,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,232.40 : 397,848.60 = 253,714.20 : x
  2. Step 2: Convert to fraction form
    265,232.40/397,848.60 = 253,714.20/x
  3. Step 3: Cross multiply
    265,232.40x = 397,848.60 × 253,714.20
  4. Step 4: Simplify right side
    265,232.40x = 100,939,839,270.12
  5. Step 5: Solve for x
    x = 100,939,839,270.12/265,232.40
  6. Step 6: Final answer
    x = 380,571.30

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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.