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Finding the Fourth Proportional to 903,589.56, 1,355,510.16 and 304,722

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Solution

The fourth proportional to 903,589.56, 1,355,510.16 and 304,722 is: 457,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,589.56 : 1,355,510.16 = 304,722 : x
  2. Step 2: Convert to fraction form
    903,589.56/1,355,510.16 = 304,722/x
  3. Step 3: Cross multiply
    903,589.56x = 1,355,510.16 × 304,722
  4. Step 4: Simplify right side
    903,589.56x = 413,053,766,975.52
  5. Step 5: Solve for x
    x = 413,053,766,975.52/903,589.56
  6. Step 6: Final answer
    x = 457,125.43

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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.