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Finding the Fourth Proportional to 317,218.23, 437,788.83 and 174,005.94

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Solution

The fourth proportional to 317,218.23, 437,788.83 and 174,005.94 is: 240,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,218.23 : 437,788.83 = 174,005.94 : x
  2. Step 2: Convert to fraction form
    317,218.23/437,788.83 = 174,005.94/x
  3. Step 3: Cross multiply
    317,218.23x = 437,788.83 × 174,005.94
  4. Step 4: Simplify right side
    317,218.23x = 76,177,856,015.62
  5. Step 5: Solve for x
    x = 76,177,856,015.62/317,218.23
  6. Step 6: Final answer
    x = 240,143.38

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1.5x scale

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.