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Finding the Fourth Proportional to 988,773.03, 1,479,099 and 789,482.67

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Solution

The fourth proportional to 988,773.03, 1,479,099 and 789,482.67 is: 1,180,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,773.03 : 1,479,099 = 789,482.67 : x
  2. Step 2: Convert to fraction form
    988,773.03/1,479,099 = 789,482.67/x
  3. Step 3: Cross multiply
    988,773.03x = 1,479,099 × 789,482.67
  4. Step 4: Simplify right side
    988,773.03x = 1,167,723,027,714.33
  5. Step 5: Solve for x
    x = 1,167,723,027,714.33/988,773.03
  6. Step 6: Final answer
    x = 1,180,981.88

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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.