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Finding the Fourth Proportional to 307,573.23, 424,450.47 and 171,599.09

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Solution

The fourth proportional to 307,573.23, 424,450.47 and 171,599.09 is: 236,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,573.23 : 424,450.47 = 171,599.09 : x
  2. Step 2: Convert to fraction form
    307,573.23/424,450.47 = 171,599.09/x
  3. Step 3: Cross multiply
    307,573.23x = 424,450.47 × 171,599.09
  4. Step 4: Simplify right side
    307,573.23x = 72,835,315,463.20
  5. Step 5: Solve for x
    x = 72,835,315,463.20/307,573.23
  6. Step 6: Final answer
    x = 236,806.42

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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.