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Finding the Fourth Proportional to 458,043.99, 632,104.52 and 254,108.19

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Solution

The fourth proportional to 458,043.99, 632,104.52 and 254,108.19 is: 350,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,043.99 : 632,104.52 = 254,108.19 : x
  2. Step 2: Convert to fraction form
    458,043.99/632,104.52 = 254,108.19/x
  3. Step 3: Cross multiply
    458,043.99x = 632,104.52 × 254,108.19
  4. Step 4: Simplify right side
    458,043.99x = 160,622,935,468.02
  5. Step 5: Solve for x
    x = 160,622,935,468.02/458,043.99
  6. Step 6: Final answer
    x = 350,671.42

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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.