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Finding the Fourth Proportional to 458,012.35, 632,067.19 and 254,056.64

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Solution

The fourth proportional to 458,012.35, 632,067.19 and 254,056.64 is: 350,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,012.35 : 632,067.19 = 254,056.64 : x
  2. Step 2: Convert to fraction form
    458,012.35/632,067.19 = 254,056.64/x
  3. Step 3: Cross multiply
    458,012.35x = 632,067.19 × 254,056.64
  4. Step 4: Simplify right side
    458,012.35x = 160,580,867,490.67
  5. Step 5: Solve for x
    x = 160,580,867,490.67/458,012.35
  6. Step 6: Final answer
    x = 350,603.80

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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.