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Finding the Fourth Proportional to 555,241.05, 766,231.69 and 300,592.17

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Solution

The fourth proportional to 555,241.05, 766,231.69 and 300,592.17 is: 414,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,241.05 : 766,231.69 = 300,592.17 : x
  2. Step 2: Convert to fraction form
    555,241.05/766,231.69 = 300,592.17/x
  3. Step 3: Cross multiply
    555,241.05x = 766,231.69 × 300,592.17
  4. Step 4: Simplify right side
    555,241.05x = 230,323,246,419.87
  5. Step 5: Solve for x
    x = 230,323,246,419.87/555,241.05
  6. Step 6: Final answer
    x = 414,816.68

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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.