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Finding the Fourth Proportional to 610,674.54, 916,017.72 and 231,493.38

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Solution

The fourth proportional to 610,674.54, 916,017.72 and 231,493.38 is: 347,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,674.54 : 916,017.72 = 231,493.38 : x
  2. Step 2: Convert to fraction form
    610,674.54/916,017.72 = 231,493.38/x
  3. Step 3: Cross multiply
    610,674.54x = 916,017.72 × 231,493.38
  4. Step 4: Simplify right side
    610,674.54x = 212,052,038,142.69
  5. Step 5: Solve for x
    x = 212,052,038,142.69/610,674.54
  6. Step 6: Final answer
    x = 347,242.31

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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.