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Finding the Fourth Proportional to 458,127.72, 632,194.78 and 254,176.44

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Solution

The fourth proportional to 458,127.72, 632,194.78 and 254,176.44 is: 350,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,127.72 : 632,194.78 = 254,176.44 : x
  2. Step 2: Convert to fraction form
    458,127.72/632,194.78 = 254,176.44/x
  3. Step 3: Cross multiply
    458,127.72x = 632,194.78 × 254,176.44
  4. Step 4: Simplify right side
    458,127.72x = 160,689,018,566.98
  5. Step 5: Solve for x
    x = 160,689,018,566.98/458,127.72
  6. Step 6: Final answer
    x = 350,751.57

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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.