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Finding the Fourth Proportional to 458,063.41, 632,128.25 and 254,114.33

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Solution

The fourth proportional to 458,063.41, 632,128.25 and 254,114.33 is: 350,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,063.41 : 632,128.25 = 254,114.33 : x
  2. Step 2: Convert to fraction form
    458,063.41/632,128.25 = 254,114.33/x
  3. Step 3: Cross multiply
    458,063.41x = 632,128.25 × 254,114.33
  4. Step 4: Simplify right side
    458,063.41x = 160,632,845,452.25
  5. Step 5: Solve for x
    x = 160,632,845,452.25/458,063.41
  6. Step 6: Final answer
    x = 350,678.19

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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.