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Finding the Fourth Proportional to 317,435.96, 438,060.33 and 174,198.39

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Solution

The fourth proportional to 317,435.96, 438,060.33 and 174,198.39 is: 240,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,435.96 : 438,060.33 = 174,198.39 : x
  2. Step 2: Convert to fraction form
    317,435.96/438,060.33 = 174,198.39/x
  3. Step 3: Cross multiply
    317,435.96x = 438,060.33 × 174,198.39
  4. Step 4: Simplify right side
    317,435.96x = 76,309,404,208.87
  5. Step 5: Solve for x
    x = 76,309,404,208.87/317,435.96
  6. Step 6: Final answer
    x = 240,393.07

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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.