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Finding the Fourth Proportional to 458,331.89, 632,488.47 and 254,370.84

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Solution

The fourth proportional to 458,331.89, 632,488.47 and 254,370.84 is: 351,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,331.89 : 632,488.47 = 254,370.84 : x
  2. Step 2: Convert to fraction form
    458,331.89/632,488.47 = 254,370.84/x
  3. Step 3: Cross multiply
    458,331.89x = 632,488.47 × 254,370.84
  4. Step 4: Simplify right side
    458,331.89x = 160,886,623,404.22
  5. Step 5: Solve for x
    x = 160,886,623,404.22/458,331.89
  6. Step 6: Final answer
    x = 351,026.47

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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.