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Finding the Fourth Proportional to 713,033.92, 983,893.26 and 426,449.44

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Solution

The fourth proportional to 713,033.92, 983,893.26 and 426,449.44 is: 588,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,033.92 : 983,893.26 = 426,449.44 : x
  2. Step 2: Convert to fraction form
    713,033.92/983,893.26 = 426,449.44/x
  3. Step 3: Cross multiply
    713,033.92x = 983,893.26 × 426,449.44
  4. Step 4: Simplify right side
    713,033.92x = 419,580,729,746.77
  5. Step 5: Solve for x
    x = 419,580,729,746.77/713,033.92
  6. Step 6: Final answer
    x = 588,444.28

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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.