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Finding the Fourth Proportional to 299,466.39, 413,450.16 and 190,632.16

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Solution

The fourth proportional to 299,466.39, 413,450.16 and 190,632.16 is: 263,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,466.39 : 413,450.16 = 190,632.16 : x
  2. Step 2: Convert to fraction form
    299,466.39/413,450.16 = 190,632.16/x
  3. Step 3: Cross multiply
    299,466.39x = 413,450.16 × 190,632.16
  4. Step 4: Simplify right side
    299,466.39x = 78,816,896,855.09
  5. Step 5: Solve for x
    x = 78,816,896,855.09/299,466.39
  6. Step 6: Final answer
    x = 263,191.12

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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.