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Finding the Fourth Proportional to 291,093.95, 401,628.98 and 174,777.21

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Solution

The fourth proportional to 291,093.95, 401,628.98 and 174,777.21 is: 241,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,093.95 : 401,628.98 = 174,777.21 : x
  2. Step 2: Convert to fraction form
    291,093.95/401,628.98 = 174,777.21/x
  3. Step 3: Cross multiply
    291,093.95x = 401,628.98 × 174,777.21
  4. Step 4: Simplify right side
    291,093.95x = 70,195,593,016.49
  5. Step 5: Solve for x
    x = 70,195,593,016.49/291,093.95
  6. Step 6: Final answer
    x = 241,144.11

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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.