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Finding the Fourth Proportional to 483,512.50, 725,097.13 and 141,860.57

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Solution

The fourth proportional to 483,512.50, 725,097.13 and 141,860.57 is: 212,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,512.50 : 725,097.13 = 141,860.57 : x
  2. Step 2: Convert to fraction form
    483,512.50/725,097.13 = 141,860.57/x
  3. Step 3: Cross multiply
    483,512.50x = 725,097.13 × 141,860.57
  4. Step 4: Simplify right side
    483,512.50x = 102,862,693,625.26
  5. Step 5: Solve for x
    x = 102,862,693,625.26/483,512.50
  6. Step 6: Final answer
    x = 212,740.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.