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Finding the Fourth Proportional to 362,806.99, 500,679.64 and 199,470.40

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Solution

The fourth proportional to 362,806.99, 500,679.64 and 199,470.40 is: 275,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,806.99 : 500,679.64 = 199,470.40 : x
  2. Step 2: Convert to fraction form
    362,806.99/500,679.64 = 199,470.40/x
  3. Step 3: Cross multiply
    362,806.99x = 500,679.64 × 199,470.40
  4. Step 4: Simplify right side
    362,806.99x = 99,870,768,062.66
  5. Step 5: Solve for x
    x = 99,870,768,062.66/362,806.99
  6. Step 6: Final answer
    x = 275,272.45

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1.5x scale

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.