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Finding the Fourth Proportional to 458,416.55, 632,583.19 and 254,451.41

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Solution

The fourth proportional to 458,416.55, 632,583.19 and 254,451.41 is: 351,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,416.55 : 632,583.19 = 254,451.41 : x
  2. Step 2: Convert to fraction form
    458,416.55/632,583.19 = 254,451.41/x
  3. Step 3: Cross multiply
    458,416.55x = 632,583.19 × 254,451.41
  4. Step 4: Simplify right side
    458,416.55x = 160,961,682,733.84
  5. Step 5: Solve for x
    x = 160,961,682,733.84/458,416.55
  6. Step 6: Final answer
    x = 351,125.38

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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.