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Finding the Fourth Proportional to 481,766.48, 722,389.08 and 382,564.88

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Solution

The fourth proportional to 481,766.48, 722,389.08 and 382,564.88 is: 573,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,766.48 : 722,389.08 = 382,564.88 : x
  2. Step 2: Convert to fraction form
    481,766.48/722,389.08 = 382,564.88/x
  3. Step 3: Cross multiply
    481,766.48x = 722,389.08 × 382,564.88
  4. Step 4: Simplify right side
    481,766.48x = 276,360,691,703.51
  5. Step 5: Solve for x
    x = 276,360,691,703.51/481,766.48
  6. Step 6: Final answer
    x = 573,640.35

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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.