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Finding the Fourth Proportional to 362,798.39, 500,663.68 and 201,668.43

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Solution

The fourth proportional to 362,798.39, 500,663.68 and 201,668.43 is: 278,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,798.39 : 500,663.68 = 201,668.43 : x
  2. Step 2: Convert to fraction form
    362,798.39/500,663.68 = 201,668.43/x
  3. Step 3: Cross multiply
    362,798.39x = 500,663.68 × 201,668.43
  4. Step 4: Simplify right side
    362,798.39x = 100,968,060,811.33
  5. Step 5: Solve for x
    x = 100,968,060,811.33/362,798.39
  6. Step 6: Final answer
    x = 278,303.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.