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Finding the Fourth Proportional to 438,784.96, 605,524.80 and 237,580.96

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Solution

The fourth proportional to 438,784.96, 605,524.80 and 237,580.96 is: 327,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,784.96 : 605,524.80 = 237,580.96 : x
  2. Step 2: Convert to fraction form
    438,784.96/605,524.80 = 237,580.96/x
  3. Step 3: Cross multiply
    438,784.96x = 605,524.80 × 237,580.96
  4. Step 4: Simplify right side
    438,784.96x = 143,861,163,287.81
  5. Step 5: Solve for x
    x = 143,861,163,287.81/438,784.96
  6. Step 6: Final answer
    x = 327,862.57

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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.