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Finding the Fourth Proportional to 458,445.40, 632,622.94 and 254,480.28

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Solution

The fourth proportional to 458,445.40, 632,622.94 and 254,480.28 is: 351,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,445.40 : 632,622.94 = 254,480.28 : x
  2. Step 2: Convert to fraction form
    458,445.40/632,622.94 = 254,480.28/x
  3. Step 3: Cross multiply
    458,445.40x = 632,622.94 × 254,480.28
  4. Step 4: Simplify right side
    458,445.40x = 160,990,062,905.62
  5. Step 5: Solve for x
    x = 160,990,062,905.62/458,445.40
  6. Step 6: Final answer
    x = 351,165.18

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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.