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Finding the Fourth Proportional to 510,514.48, 765,771.54 and 136,527.76

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Solution

The fourth proportional to 510,514.48, 765,771.54 and 136,527.76 is: 204,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,514.48 : 765,771.54 = 136,527.76 : x
  2. Step 2: Convert to fraction form
    510,514.48/765,771.54 = 136,527.76/x
  3. Step 3: Cross multiply
    510,514.48x = 765,771.54 × 136,527.76
  4. Step 4: Simplify right side
    510,514.48x = 104,549,073,027.95
  5. Step 5: Solve for x
    x = 104,549,073,027.95/510,514.48
  6. Step 6: Final answer
    x = 204,791.59

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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.