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Finding the Fourth Proportional to 361,737.12, 499,222.80 and 200,607.60

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Solution

The fourth proportional to 361,737.12, 499,222.80 and 200,607.60 is: 276,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,737.12 : 499,222.80 = 200,607.60 : x
  2. Step 2: Convert to fraction form
    361,737.12/499,222.80 = 200,607.60/x
  3. Step 3: Cross multiply
    361,737.12x = 499,222.80 × 200,607.60
  4. Step 4: Simplify right side
    361,737.12x = 100,147,887,773.28
  5. Step 5: Solve for x
    x = 100,147,887,773.28/361,737.12
  6. Step 6: Final answer
    x = 276,852.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.