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Finding the Fourth Proportional to 481,697.98, 723,654.54 and 339,870.08

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Solution

The fourth proportional to 481,697.98, 723,654.54 and 339,870.08 is: 510,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,697.98 : 723,654.54 = 339,870.08 : x
  2. Step 2: Convert to fraction form
    481,697.98/723,654.54 = 339,870.08/x
  3. Step 3: Cross multiply
    481,697.98x = 723,654.54 × 339,870.08
  4. Step 4: Simplify right side
    481,697.98x = 245,948,528,211.30
  5. Step 5: Solve for x
    x = 245,948,528,211.30/481,697.98
  6. Step 6: Final answer
    x = 510,586.59

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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.