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Finding the Fourth Proportional to 300,243.42, 413,859.51 and 236,480.22

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Solution

The fourth proportional to 300,243.42, 413,859.51 and 236,480.22 is: 325,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,243.42 : 413,859.51 = 236,480.22 : x
  2. Step 2: Convert to fraction form
    300,243.42/413,859.51 = 236,480.22/x
  3. Step 3: Cross multiply
    300,243.42x = 413,859.51 × 236,480.22
  4. Step 4: Simplify right side
    300,243.42x = 97,869,587,973.89
  5. Step 5: Solve for x
    x = 97,869,587,973.89/300,243.42
  6. Step 6: Final answer
    x = 325,967.47

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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.