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Finding the Fourth Proportional to 481,584.48, 663,066 and 424,188

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Solution

The fourth proportional to 481,584.48, 663,066 and 424,188 is: 584,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,584.48 : 663,066 = 424,188 : x
  2. Step 2: Convert to fraction form
    481,584.48/663,066 = 424,188/x
  3. Step 3: Cross multiply
    481,584.48x = 663,066 × 424,188
  4. Step 4: Simplify right side
    481,584.48x = 281,264,640,408
  5. Step 5: Solve for x
    x = 281,264,640,408/481,584.48
  6. Step 6: Final answer
    x = 584,040.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.