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Finding the Fourth Proportional to 317,633.94, 438,209.81 and 181,594.79

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Solution

The fourth proportional to 317,633.94, 438,209.81 and 181,594.79 is: 250,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,633.94 : 438,209.81 = 181,594.79 : x
  2. Step 2: Convert to fraction form
    317,633.94/438,209.81 = 181,594.79/x
  3. Step 3: Cross multiply
    317,633.94x = 438,209.81 × 181,594.79
  4. Step 4: Simplify right side
    317,633.94x = 79,576,621,134.54
  5. Step 5: Solve for x
    x = 79,576,621,134.54/317,633.94
  6. Step 6: Final answer
    x = 250,529.34

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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.