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Finding the Fourth Proportional to 317,162.60, 437,690.40 and 173,914.10

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Solution

The fourth proportional to 317,162.60, 437,690.40 and 173,914.10 is: 240,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,162.60 : 437,690.40 = 173,914.10 : x
  2. Step 2: Convert to fraction form
    317,162.60/437,690.40 = 173,914.10/x
  3. Step 3: Cross multiply
    317,162.60x = 437,690.40 × 173,914.10
  4. Step 4: Simplify right side
    317,162.60x = 76,120,532,436.69
  5. Step 5: Solve for x
    x = 76,120,532,436.69/317,162.60
  6. Step 6: Final answer
    x = 240,004.75

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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.