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Finding the Fourth Proportional to 317,633.73, 438,209.53 and 181,594.59

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Solution

The fourth proportional to 317,633.73, 438,209.53 and 181,594.59 is: 250,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,633.73 : 438,209.53 = 181,594.59 : x
  2. Step 2: Convert to fraction form
    317,633.73/438,209.53 = 181,594.59/x
  3. Step 3: Cross multiply
    317,633.73x = 438,209.53 × 181,594.59
  4. Step 4: Simplify right side
    317,633.73x = 79,576,479,934.44
  5. Step 5: Solve for x
    x = 79,576,479,934.44/317,633.73
  6. Step 6: Final answer
    x = 250,529.06

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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.