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Finding the Fourth Proportional to 458,315.91, 632,466.44 and 254,354.97

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Solution

The fourth proportional to 458,315.91, 632,466.44 and 254,354.97 is: 351,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,315.91 : 632,466.44 = 254,354.97 : x
  2. Step 2: Convert to fraction form
    458,315.91/632,466.44 = 254,354.97/x
  3. Step 3: Cross multiply
    458,315.91x = 632,466.44 × 254,354.97
  4. Step 4: Simplify right side
    458,315.91x = 160,870,982,372.21
  5. Step 5: Solve for x
    x = 160,870,982,372.21/458,315.91
  6. Step 6: Final answer
    x = 351,004.58

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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.