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Finding the Fourth Proportional to 373,000.84, 559,989.02 and 221,474.60

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Solution

The fourth proportional to 373,000.84, 559,989.02 and 221,474.60 is: 332,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,000.84 : 559,989.02 = 221,474.60 : x
  2. Step 2: Convert to fraction form
    373,000.84/559,989.02 = 221,474.60/x
  3. Step 3: Cross multiply
    373,000.84x = 559,989.02 × 221,474.60
  4. Step 4: Simplify right side
    373,000.84x = 124,023,344,208.89
  5. Step 5: Solve for x
    x = 124,023,344,208.89/373,000.84
  6. Step 6: Final answer
    x = 332,501.51

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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.