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Finding the Fourth Proportional to 362,490.09, 500,170.37 and 209,472.19

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Solution

The fourth proportional to 362,490.09, 500,170.37 and 209,472.19 is: 289,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,490.09 : 500,170.37 = 209,472.19 : x
  2. Step 2: Convert to fraction form
    362,490.09/500,170.37 = 209,472.19/x
  3. Step 3: Cross multiply
    362,490.09x = 500,170.37 × 209,472.19
  4. Step 4: Simplify right side
    362,490.09x = 104,771,782,354.86
  5. Step 5: Solve for x
    x = 104,771,782,354.86/362,490.09
  6. Step 6: Final answer
    x = 289,033.51

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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.