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Finding the Fourth Proportional to 468,625.48, 646,706.24 and 253,765.56

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Solution

The fourth proportional to 468,625.48, 646,706.24 and 253,765.56 is: 350,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,625.48 : 646,706.24 = 253,765.56 : x
  2. Step 2: Convert to fraction form
    468,625.48/646,706.24 = 253,765.56/x
  3. Step 3: Cross multiply
    468,625.48x = 646,706.24 × 253,765.56
  4. Step 4: Simplify right side
    468,625.48x = 164,111,771,149.09
  5. Step 5: Solve for x
    x = 164,111,771,149.09/468,625.48
  6. Step 6: Final answer
    x = 350,198.14

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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.