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Finding the Fourth Proportional to 366,940.02, 550,461.03 and 130,226.40

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Solution

The fourth proportional to 366,940.02, 550,461.03 and 130,226.40 is: 195,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.02 : 550,461.03 = 130,226.40 : x
  2. Step 2: Convert to fraction form
    366,940.02/550,461.03 = 130,226.40/x
  3. Step 3: Cross multiply
    366,940.02x = 550,461.03 × 130,226.40
  4. Step 4: Simplify right side
    366,940.02x = 71,684,558,277.19
  5. Step 5: Solve for x
    x = 71,684,558,277.19/366,940.02
  6. Step 6: Final answer
    x = 195,357.70

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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.