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Finding the Fourth Proportional to 268,232.40, 401,765.40 and 163,256.40

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Solution

The fourth proportional to 268,232.40, 401,765.40 and 163,256.40 is: 244,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,232.40 : 401,765.40 = 163,256.40 : x
  2. Step 2: Convert to fraction form
    268,232.40/401,765.40 = 163,256.40/x
  3. Step 3: Cross multiply
    268,232.40x = 401,765.40 × 163,256.40
  4. Step 4: Simplify right side
    268,232.40x = 65,590,772,848.56
  5. Step 5: Solve for x
    x = 65,590,772,848.56/268,232.40
  6. Step 6: Final answer
    x = 244,529.64

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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.