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Finding the Fourth Proportional to 291,213.69, 401,796.44 and 170,384.69

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Solution

The fourth proportional to 291,213.69, 401,796.44 and 170,384.69 is: 235,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,213.69 : 401,796.44 = 170,384.69 : x
  2. Step 2: Convert to fraction form
    291,213.69/401,796.44 = 170,384.69/x
  3. Step 3: Cross multiply
    291,213.69x = 401,796.44 × 170,384.69
  4. Step 4: Simplify right side
    291,213.69x = 68,459,959,011.60
  5. Step 5: Solve for x
    x = 68,459,959,011.60/291,213.69
  6. Step 6: Final answer
    x = 235,084.96

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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.