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Finding the Fourth Proportional to 544,953.48, 752,308.24 and 422,172.66

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Solution

The fourth proportional to 544,953.48, 752,308.24 and 422,172.66 is: 582,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,953.48 : 752,308.24 = 422,172.66 : x
  2. Step 2: Convert to fraction form
    544,953.48/752,308.24 = 422,172.66/x
  3. Step 3: Cross multiply
    544,953.48x = 752,308.24 × 422,172.66
  4. Step 4: Simplify right side
    544,953.48x = 317,603,970,820.72
  5. Step 5: Solve for x
    x = 317,603,970,820.72/544,953.48
  6. Step 6: Final answer
    x = 582,809.33

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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.