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Finding the Fourth Proportional to 458,391.03, 632,512.18 and 254,443.51

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Solution

The fourth proportional to 458,391.03, 632,512.18 and 254,443.51 is: 351,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,391.03 : 632,512.18 = 254,443.51 : x
  2. Step 2: Convert to fraction form
    458,391.03/632,512.18 = 254,443.51/x
  3. Step 3: Cross multiply
    458,391.03x = 632,512.18 × 254,443.51
  4. Step 4: Simplify right side
    458,391.03x = 160,938,619,196.95
  5. Step 5: Solve for x
    x = 160,938,619,196.95/458,391.03
  6. Step 6: Final answer
    x = 351,094.61

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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.