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Finding the Fourth Proportional to 458,198.16, 632,283.08 and 254,236.16

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Solution

The fourth proportional to 458,198.16, 632,283.08 and 254,236.16 is: 350,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,198.16 : 632,283.08 = 254,236.16 : x
  2. Step 2: Convert to fraction form
    458,198.16/632,283.08 = 254,236.16/x
  3. Step 3: Cross multiply
    458,198.16x = 632,283.08 × 254,236.16
  4. Step 4: Simplify right side
    458,198.16x = 160,749,217,859.58
  5. Step 5: Solve for x
    x = 160,749,217,859.58/458,198.16
  6. Step 6: Final answer
    x = 350,829.03

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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.