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Finding the Fourth Proportional to 427,659.99, 590,189.33 and 236,673.45

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Solution

The fourth proportional to 427,659.99, 590,189.33 and 236,673.45 is: 326,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,659.99 : 590,189.33 = 236,673.45 : x
  2. Step 2: Convert to fraction form
    427,659.99/590,189.33 = 236,673.45/x
  3. Step 3: Cross multiply
    427,659.99x = 590,189.33 × 236,673.45
  4. Step 4: Simplify right side
    427,659.99x = 139,682,143,700.92
  5. Step 5: Solve for x
    x = 139,682,143,700.92/427,659.99
  6. Step 6: Final answer
    x = 326,619.62

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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.