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Finding the Fourth Proportional to 309,296.76, 463,613.45 and 202,640.42

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Solution

The fourth proportional to 309,296.76, 463,613.45 and 202,640.42 is: 303,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,296.76 : 463,613.45 = 202,640.42 : x
  2. Step 2: Convert to fraction form
    309,296.76/463,613.45 = 202,640.42/x
  3. Step 3: Cross multiply
    309,296.76x = 463,613.45 × 202,640.42
  4. Step 4: Simplify right side
    309,296.76x = 93,946,820,894.38
  5. Step 5: Solve for x
    x = 93,946,820,894.38/309,296.76
  6. Step 6: Final answer
    x = 303,743.31

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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.