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Finding the Fourth Proportional to 370,482.92, 511,266.96 and 200,717.04

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Solution

The fourth proportional to 370,482.92, 511,266.96 and 200,717.04 is: 276,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,482.92 : 511,266.96 = 200,717.04 : x
  2. Step 2: Convert to fraction form
    370,482.92/511,266.96 = 200,717.04/x
  3. Step 3: Cross multiply
    370,482.92x = 511,266.96 × 200,717.04
  4. Step 4: Simplify right side
    370,482.92x = 102,619,990,861.00
  5. Step 5: Solve for x
    x = 102,619,990,861.00/370,482.92
  6. Step 6: Final answer
    x = 276,989.80

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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.