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Finding the Fourth Proportional to 307,337.58, 424,131.09 and 169,532.33

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Solution

The fourth proportional to 307,337.58, 424,131.09 and 169,532.33 is: 233,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,337.58 : 424,131.09 = 169,532.33 : x
  2. Step 2: Convert to fraction form
    307,337.58/424,131.09 = 169,532.33/x
  3. Step 3: Cross multiply
    307,337.58x = 424,131.09 × 169,532.33
  4. Step 4: Simplify right side
    307,337.58x = 71,903,929,156.74
  5. Step 5: Solve for x
    x = 71,903,929,156.74/307,337.58
  6. Step 6: Final answer
    x = 233,957.49

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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.