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Finding the Fourth Proportional to 611,243.94, 843,604.36 and 366,238.38

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Solution

The fourth proportional to 611,243.94, 843,604.36 and 366,238.38 is: 505,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,243.94 : 843,604.36 = 366,238.38 : x
  2. Step 2: Convert to fraction form
    611,243.94/843,604.36 = 366,238.38/x
  3. Step 3: Cross multiply
    611,243.94x = 843,604.36 × 366,238.38
  4. Step 4: Simplify right side
    611,243.94x = 308,960,294,167.34
  5. Step 5: Solve for x
    x = 308,960,294,167.34/611,243.94
  6. Step 6: Final answer
    x = 505,461.53

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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.