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Finding the Fourth Proportional to 567,581.88, 782,615.34 and 424,100.28

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Solution

The fourth proportional to 567,581.88, 782,615.34 and 424,100.28 is: 584,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,581.88 : 782,615.34 = 424,100.28 : x
  2. Step 2: Convert to fraction form
    567,581.88/782,615.34 = 424,100.28/x
  3. Step 3: Cross multiply
    567,581.88x = 782,615.34 × 424,100.28
  4. Step 4: Simplify right side
    567,581.88x = 331,907,384,826.30
  5. Step 5: Solve for x
    x = 331,907,384,826.30/567,581.88
  6. Step 6: Final answer
    x = 584,774.46

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1.5x scale

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.