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Finding the Fourth Proportional to 544,883.31, 751,927.19 and 315,450.27

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Solution

The fourth proportional to 544,883.31, 751,927.19 and 315,450.27 is: 435,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,883.31 : 751,927.19 = 315,450.27 : x
  2. Step 2: Convert to fraction form
    544,883.31/751,927.19 = 315,450.27/x
  3. Step 3: Cross multiply
    544,883.31x = 751,927.19 × 315,450.27
  4. Step 4: Simplify right side
    544,883.31x = 237,195,633,528.59
  5. Step 5: Solve for x
    x = 237,195,633,528.59/544,883.31
  6. Step 6: Final answer
    x = 435,314.55

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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.