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Finding the Fourth Proportional to 458,323.75, 632,477.26 and 254,362.82

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Solution

The fourth proportional to 458,323.75, 632,477.26 and 254,362.82 is: 351,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,323.75 : 632,477.26 = 254,362.82 : x
  2. Step 2: Convert to fraction form
    458,323.75/632,477.26 = 254,362.82/x
  3. Step 3: Cross multiply
    458,323.75x = 632,477.26 × 254,362.82
  4. Step 4: Simplify right side
    458,323.75x = 160,878,699,439.47
  5. Step 5: Solve for x
    x = 160,878,699,439.47/458,323.75
  6. Step 6: Final answer
    x = 351,015.41

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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.