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Finding the Fourth Proportional to 317,632.73, 438,208.16 and 181,593.59

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Solution

The fourth proportional to 317,632.73, 438,208.16 and 181,593.59 is: 250,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,632.73 : 438,208.16 = 181,593.59 : x
  2. Step 2: Convert to fraction form
    317,632.73/438,208.16 = 181,593.59/x
  3. Step 3: Cross multiply
    317,632.73x = 438,208.16 × 181,593.59
  4. Step 4: Simplify right side
    317,632.73x = 79,575,789,842.69
  5. Step 5: Solve for x
    x = 79,575,789,842.69/317,632.73
  6. Step 6: Final answer
    x = 250,527.68

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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.