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Finding the Fourth Proportional to 460,720.48, 635,576.88 and 269,615.56

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Solution

The fourth proportional to 460,720.48, 635,576.88 and 269,615.56 is: 371,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,720.48 : 635,576.88 = 269,615.56 : x
  2. Step 2: Convert to fraction form
    460,720.48/635,576.88 = 269,615.56/x
  3. Step 3: Cross multiply
    460,720.48x = 635,576.88 × 269,615.56
  4. Step 4: Simplify right side
    460,720.48x = 171,361,416,424.25
  5. Step 5: Solve for x
    x = 171,361,416,424.25/460,720.48
  6. Step 6: Final answer
    x = 371,942.26

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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.