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Finding the Fourth Proportional to 500,082.46, 690,108.46 and 270,634.72

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Solution

The fourth proportional to 500,082.46, 690,108.46 and 270,634.72 is: 373,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,082.46 : 690,108.46 = 270,634.72 : x
  2. Step 2: Convert to fraction form
    500,082.46/690,108.46 = 270,634.72/x
  3. Step 3: Cross multiply
    500,082.46x = 690,108.46 × 270,634.72
  4. Step 4: Simplify right side
    500,082.46x = 186,767,308,733.83
  5. Step 5: Solve for x
    x = 186,767,308,733.83/500,082.46
  6. Step 6: Final answer
    x = 373,473.03

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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.