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Finding the Fourth Proportional to 366,956.02, 550,485.03 and 130,242.40

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Solution

The fourth proportional to 366,956.02, 550,485.03 and 130,242.40 is: 195,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,956.02 : 550,485.03 = 130,242.40 : x
  2. Step 2: Convert to fraction form
    366,956.02/550,485.03 = 130,242.40/x
  3. Step 3: Cross multiply
    366,956.02x = 550,485.03 × 130,242.40
  4. Step 4: Simplify right side
    366,956.02x = 71,696,491,471.27
  5. Step 5: Solve for x
    x = 71,696,491,471.27/366,956.02
  6. Step 6: Final answer
    x = 195,381.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.