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Finding the Fourth Proportional to 679,251, 1,019,032.02 and 236,019

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Solution

The fourth proportional to 679,251, 1,019,032.02 and 236,019 is: 354,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,251 : 1,019,032.02 = 236,019 : x
  2. Step 2: Convert to fraction form
    679,251/1,019,032.02 = 236,019/x
  3. Step 3: Cross multiply
    679,251x = 1,019,032.02 × 236,019
  4. Step 4: Simplify right side
    679,251x = 240,510,918,328.38
  5. Step 5: Solve for x
    x = 240,510,918,328.38/679,251
  6. Step 6: Final answer
    x = 354,082.54

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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.