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Finding the Fourth Proportional to 317,266.92, 437,826.06 and 174,025.98

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Solution

The fourth proportional to 317,266.92, 437,826.06 and 174,025.98 is: 240,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,266.92 : 437,826.06 = 174,025.98 : x
  2. Step 2: Convert to fraction form
    317,266.92/437,826.06 = 174,025.98/x
  3. Step 3: Cross multiply
    317,266.92x = 437,826.06 × 174,025.98
  4. Step 4: Simplify right side
    317,266.92x = 76,193,109,161.04
  5. Step 5: Solve for x
    x = 76,193,109,161.04/317,266.92
  6. Step 6: Final answer
    x = 240,154.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.