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Finding the Fourth Proportional to 544,884.31, 751,928.56 and 315,451.27

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Solution

The fourth proportional to 544,884.31, 751,928.56 and 315,451.27 is: 435,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,884.31 : 751,928.56 = 315,451.27 : x
  2. Step 2: Convert to fraction form
    544,884.31/751,928.56 = 315,451.27/x
  3. Step 3: Cross multiply
    544,884.31x = 751,928.56 × 315,451.27
  4. Step 4: Simplify right side
    544,884.31x = 237,196,819,201.27
  5. Step 5: Solve for x
    x = 237,196,819,201.27/544,884.31
  6. Step 6: Final answer
    x = 435,315.93

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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.