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Finding the Fourth Proportional to 348,243.94, 522,365.91 and 98,893.54

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Solution

The fourth proportional to 348,243.94, 522,365.91 and 98,893.54 is: 148,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,243.94 : 522,365.91 = 98,893.54 : x
  2. Step 2: Convert to fraction form
    348,243.94/522,365.91 = 98,893.54/x
  3. Step 3: Cross multiply
    348,243.94x = 522,365.91 × 98,893.54
  4. Step 4: Simplify right side
    348,243.94x = 51,658,614,015.22
  5. Step 5: Solve for x
    x = 51,658,614,015.22/348,243.94
  6. Step 6: Final answer
    x = 148,340.31

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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.