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Finding the Fourth Proportional to 299,242.07, 412,580.54 and 191,635.19

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Solution

The fourth proportional to 299,242.07, 412,580.54 and 191,635.19 is: 264,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,242.07 : 412,580.54 = 191,635.19 : x
  2. Step 2: Convert to fraction form
    299,242.07/412,580.54 = 191,635.19/x
  3. Step 3: Cross multiply
    299,242.07x = 412,580.54 × 191,635.19
  4. Step 4: Simplify right side
    299,242.07x = 79,064,950,173.20
  5. Step 5: Solve for x
    x = 79,064,950,173.20/299,242.07
  6. Step 6: Final answer
    x = 264,217.36

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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.