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Finding the Fourth Proportional to 437,402.79, 654,622.34 and 269,029.94

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Solution

The fourth proportional to 437,402.79, 654,622.34 and 269,029.94 is: 402,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,402.79 : 654,622.34 = 269,029.94 : x
  2. Step 2: Convert to fraction form
    437,402.79/654,622.34 = 269,029.94/x
  3. Step 3: Cross multiply
    437,402.79x = 654,622.34 × 269,029.94
  4. Step 4: Simplify right side
    437,402.79x = 176,113,004,234.60
  5. Step 5: Solve for x
    x = 176,113,004,234.60/437,402.79
  6. Step 6: Final answer
    x = 402,633.47

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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.