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Finding the Fourth Proportional to 299,239.82, 412,577.44 and 191,632.94

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Solution

The fourth proportional to 299,239.82, 412,577.44 and 191,632.94 is: 264,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,239.82 : 412,577.44 = 191,632.94 : x
  2. Step 2: Convert to fraction form
    299,239.82/412,577.44 = 191,632.94/x
  3. Step 3: Cross multiply
    299,239.82x = 412,577.44 × 191,632.94
  4. Step 4: Simplify right side
    299,239.82x = 79,063,425,262.90
  5. Step 5: Solve for x
    x = 79,063,425,262.90/299,239.82
  6. Step 6: Final answer
    x = 264,214.26

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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.