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Finding the Fourth Proportional to 746,954.63, 1,030,797.39 and 407,422.88

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Solution

The fourth proportional to 746,954.63, 1,030,797.39 and 407,422.88 is: 562,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,954.63 : 1,030,797.39 = 407,422.88 : x
  2. Step 2: Convert to fraction form
    746,954.63/1,030,797.39 = 407,422.88/x
  3. Step 3: Cross multiply
    746,954.63x = 1,030,797.39 × 407,422.88
  4. Step 4: Simplify right side
    746,954.63x = 419,970,441,330.28
  5. Step 5: Solve for x
    x = 419,970,441,330.28/746,954.63
  6. Step 6: Final answer
    x = 562,243.57

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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.