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Finding the Fourth Proportional to 458,679.48, 632,920.37 and 254,702.67

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Solution

The fourth proportional to 458,679.48, 632,920.37 and 254,702.67 is: 351,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,679.48 : 632,920.37 = 254,702.67 : x
  2. Step 2: Convert to fraction form
    458,679.48/632,920.37 = 254,702.67/x
  3. Step 3: Cross multiply
    458,679.48x = 632,920.37 × 254,702.67
  4. Step 4: Simplify right side
    458,679.48x = 161,206,508,136.39
  5. Step 5: Solve for x
    x = 161,206,508,136.39/458,679.48
  6. Step 6: Final answer
    x = 351,457.86

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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.