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Finding the Fourth Proportional to 510,126.60, 765,165.60 and 173,134.20

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Solution

The fourth proportional to 510,126.60, 765,165.60 and 173,134.20 is: 259,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,126.60 : 765,165.60 = 173,134.20 : x
  2. Step 2: Convert to fraction form
    510,126.60/765,165.60 = 173,134.20/x
  3. Step 3: Cross multiply
    510,126.60x = 765,165.60 × 173,134.20
  4. Step 4: Simplify right side
    510,126.60x = 132,476,334,023.52
  5. Step 5: Solve for x
    x = 132,476,334,023.52/510,126.60
  6. Step 6: Final answer
    x = 259,693.05

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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.