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Finding the Fourth Proportional to 370,644.44, 556,421.13 and 244,390.28

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Solution

The fourth proportional to 370,644.44, 556,421.13 and 244,390.28 is: 366,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,644.44 : 556,421.13 = 244,390.28 : x
  2. Step 2: Convert to fraction form
    370,644.44/556,421.13 = 244,390.28/x
  3. Step 3: Cross multiply
    370,644.44x = 556,421.13 × 244,390.28
  4. Step 4: Simplify right side
    370,644.44x = 135,983,912,976.51
  5. Step 5: Solve for x
    x = 135,983,912,976.51/370,644.44
  6. Step 6: Final answer
    x = 366,885.08

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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.