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Finding the Fourth Proportional to 438,786.96, 605,527.56 and 237,582.96

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Solution

The fourth proportional to 438,786.96, 605,527.56 and 237,582.96 is: 327,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,786.96 : 605,527.56 = 237,582.96 : x
  2. Step 2: Convert to fraction form
    438,786.96/605,527.56 = 237,582.96/x
  3. Step 3: Cross multiply
    438,786.96x = 605,527.56 × 237,582.96
  4. Step 4: Simplify right side
    438,786.96x = 143,863,030,066.38
  5. Step 5: Solve for x
    x = 143,863,030,066.38/438,786.96
  6. Step 6: Final answer
    x = 327,865.33

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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.