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Finding the Fourth Proportional to 422,457.49, 632,869.65 and 234,900.37

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Solution

The fourth proportional to 422,457.49, 632,869.65 and 234,900.37 is: 351,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,457.49 : 632,869.65 = 234,900.37 : x
  2. Step 2: Convert to fraction form
    422,457.49/632,869.65 = 234,900.37/x
  3. Step 3: Cross multiply
    422,457.49x = 632,869.65 × 234,900.37
  4. Step 4: Simplify right side
    422,457.49x = 148,661,314,946.77
  5. Step 5: Solve for x
    x = 148,661,314,946.77/422,457.49
  6. Step 6: Final answer
    x = 351,896.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.