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Finding the Fourth Proportional to 458,049.99, 632,112.81 and 254,114.20

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Solution

The fourth proportional to 458,049.99, 632,112.81 and 254,114.20 is: 350,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,049.99 : 632,112.81 = 254,114.20 : x
  2. Step 2: Convert to fraction form
    458,049.99/632,112.81 = 254,114.20/x
  3. Step 3: Cross multiply
    458,049.99x = 632,112.81 × 254,114.20
  4. Step 4: Simplify right side
    458,049.99x = 160,628,841,022.90
  5. Step 5: Solve for x
    x = 160,628,841,022.90/458,049.99
  6. Step 6: Final answer
    x = 350,679.72

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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.