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Finding the Fourth Proportional to 262,840.40, 393,677.40 and 227,848.40

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Solution

The fourth proportional to 262,840.40, 393,677.40 and 227,848.40 is: 341,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,840.40 : 393,677.40 = 227,848.40 : x
  2. Step 2: Convert to fraction form
    262,840.40/393,677.40 = 227,848.40/x
  3. Step 3: Cross multiply
    262,840.40x = 393,677.40 × 227,848.40
  4. Step 4: Simplify right side
    262,840.40x = 89,698,765,706.16
  5. Step 5: Solve for x
    x = 89,698,765,706.16/262,840.40
  6. Step 6: Final answer
    x = 341,267.04

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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.