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Finding the Fourth Proportional to 346,797.81, 520,194.29 and 178,365.11

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Solution

The fourth proportional to 346,797.81, 520,194.29 and 178,365.11 is: 267,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,797.81 : 520,194.29 = 178,365.11 : x
  2. Step 2: Convert to fraction form
    346,797.81/520,194.29 = 178,365.11/x
  3. Step 3: Cross multiply
    346,797.81x = 520,194.29 × 178,365.11
  4. Step 4: Simplify right side
    346,797.81x = 92,784,508,264.42
  5. Step 5: Solve for x
    x = 92,784,508,264.42/346,797.81
  6. Step 6: Final answer
    x = 267,546.41

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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.