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Finding the Fourth Proportional to 299,244.08, 412,583.30 and 191,637.20

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Solution

The fourth proportional to 299,244.08, 412,583.30 and 191,637.20 is: 264,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,244.08 : 412,583.30 = 191,637.20 : x
  2. Step 2: Convert to fraction form
    299,244.08/412,583.30 = 191,637.20/x
  3. Step 3: Cross multiply
    299,244.08x = 412,583.30 × 191,637.20
  4. Step 4: Simplify right side
    299,244.08x = 79,066,308,378.76
  5. Step 5: Solve for x
    x = 79,066,308,378.76/299,244.08
  6. Step 6: Final answer
    x = 264,220.13

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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.