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Finding the Fourth Proportional to 445,595.58, 668,623.14 and 295,939.44

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Solution

The fourth proportional to 445,595.58, 668,623.14 and 295,939.44 is: 444,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,595.58 : 668,623.14 = 295,939.44 : x
  2. Step 2: Convert to fraction form
    445,595.58/668,623.14 = 295,939.44/x
  3. Step 3: Cross multiply
    445,595.58x = 668,623.14 × 295,939.44
  4. Step 4: Simplify right side
    445,595.58x = 197,871,957,622.64
  5. Step 5: Solve for x
    x = 197,871,957,622.64/445,595.58
  6. Step 6: Final answer
    x = 444,061.76

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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.