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Finding the Fourth Proportional to 595,571.20, 893,049.60 and 221,401.60

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Solution

The fourth proportional to 595,571.20, 893,049.60 and 221,401.60 is: 331,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,571.20 : 893,049.60 = 221,401.60 : x
  2. Step 2: Convert to fraction form
    595,571.20/893,049.60 = 221,401.60/x
  3. Step 3: Cross multiply
    595,571.20x = 893,049.60 × 221,401.60
  4. Step 4: Simplify right side
    595,571.20x = 197,722,610,319.36
  5. Step 5: Solve for x
    x = 197,722,610,319.36/595,571.20
  6. Step 6: Final answer
    x = 331,988.20

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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.