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Finding the Fourth Proportional to 965,792.43, 1,448,716.05 and 255,820.55

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Solution

The fourth proportional to 965,792.43, 1,448,716.05 and 255,820.55 is: 383,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,792.43 : 1,448,716.05 = 255,820.55 : x
  2. Step 2: Convert to fraction form
    965,792.43/1,448,716.05 = 255,820.55/x
  3. Step 3: Cross multiply
    965,792.43x = 1,448,716.05 × 255,820.55
  4. Step 4: Simplify right side
    965,792.43x = 370,611,329,461.25
  5. Step 5: Solve for x
    x = 370,611,329,461.25/965,792.43
  6. Step 6: Final answer
    x = 383,738.08

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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.