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Finding the Fourth Proportional to 370,816.80, 556,443.90 and 244,821.30

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Solution

The fourth proportional to 370,816.80, 556,443.90 and 244,821.30 is: 367,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,816.80 : 556,443.90 = 244,821.30 : x
  2. Step 2: Convert to fraction form
    370,816.80/556,443.90 = 244,821.30/x
  3. Step 3: Cross multiply
    370,816.80x = 556,443.90 × 244,821.30
  4. Step 4: Simplify right side
    370,816.80x = 136,229,318,975.07
  5. Step 5: Solve for x
    x = 136,229,318,975.07/370,816.80
  6. Step 6: Final answer
    x = 367,376.34

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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.