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Finding the Fourth Proportional to 458,395.03, 632,517.70 and 254,447.51

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Solution

The fourth proportional to 458,395.03, 632,517.70 and 254,447.51 is: 351,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,395.03 : 632,517.70 = 254,447.51 : x
  2. Step 2: Convert to fraction form
    458,395.03/632,517.70 = 254,447.51/x
  3. Step 3: Cross multiply
    458,395.03x = 632,517.70 × 254,447.51
  4. Step 4: Simplify right side
    458,395.03x = 160,942,553,795.93
  5. Step 5: Solve for x
    x = 160,942,553,795.93/458,395.03
  6. Step 6: Final answer
    x = 351,100.13

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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.