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Finding the Fourth Proportional to 510,548.82, 765,347.51 and 173,358.86

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Solution

The fourth proportional to 510,548.82, 765,347.51 and 173,358.86 is: 259,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,548.82 : 765,347.51 = 173,358.86 : x
  2. Step 2: Convert to fraction form
    510,548.82/765,347.51 = 173,358.86/x
  3. Step 3: Cross multiply
    510,548.82x = 765,347.51 × 173,358.86
  4. Step 4: Simplify right side
    510,548.82x = 132,679,770,109.07
  5. Step 5: Solve for x
    x = 132,679,770,109.07/510,548.82
  6. Step 6: Final answer
    x = 259,876.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.