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Finding the Fourth Proportional to 510,590.67, 765,884.79 and 136,613.67

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Solution

The fourth proportional to 510,590.67, 765,884.79 and 136,613.67 is: 204,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,590.67 : 765,884.79 = 136,613.67 : x
  2. Step 2: Convert to fraction form
    510,590.67/765,884.79 = 136,613.67/x
  3. Step 3: Cross multiply
    510,590.67x = 765,884.79 × 136,613.67
  4. Step 4: Simplify right side
    510,590.67x = 104,630,331,959.08
  5. Step 5: Solve for x
    x = 104,630,331,959.08/510,590.67
  6. Step 6: Final answer
    x = 204,920.18

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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.