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Finding the Fourth Proportional to 348,321.74, 522,630.54 and 190,365.66

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Solution

The fourth proportional to 348,321.74, 522,630.54 and 190,365.66 is: 285,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,321.74 : 522,630.54 = 190,365.66 : x
  2. Step 2: Convert to fraction form
    348,321.74/522,630.54 = 190,365.66/x
  3. Step 3: Cross multiply
    348,321.74x = 522,630.54 × 190,365.66
  4. Step 4: Simplify right side
    348,321.74x = 99,490,907,683.26
  5. Step 5: Solve for x
    x = 99,490,907,683.26/348,321.74
  6. Step 6: Final answer
    x = 285,629.34

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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.