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Finding the Fourth Proportional to 433,687.60, 650,628.60 and 167,424.40

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Solution

The fourth proportional to 433,687.60, 650,628.60 and 167,424.40 is: 251,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,687.60 : 650,628.60 = 167,424.40 : x
  2. Step 2: Convert to fraction form
    433,687.60/650,628.60 = 167,424.40/x
  3. Step 3: Cross multiply
    433,687.60x = 650,628.60 × 167,424.40
  4. Step 4: Simplify right side
    433,687.60x = 108,931,102,977.84
  5. Step 5: Solve for x
    x = 108,931,102,977.84/433,687.60
  6. Step 6: Final answer
    x = 251,174.12

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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.