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Finding the Fourth Proportional to 452,799.12, 678,311.33 and 262,861.41

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Solution

The fourth proportional to 452,799.12, 678,311.33 and 262,861.41 is: 393,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,799.12 : 678,311.33 = 262,861.41 : x
  2. Step 2: Convert to fraction form
    452,799.12/678,311.33 = 262,861.41/x
  3. Step 3: Cross multiply
    452,799.12x = 678,311.33 × 262,861.41
  4. Step 4: Simplify right side
    452,799.12x = 178,301,871,308.47
  5. Step 5: Solve for x
    x = 178,301,871,308.47/452,799.12
  6. Step 6: Final answer
    x = 393,776.98

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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.