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Finding the Fourth Proportional to 348,044.80, 521,629.80 and 170,168.80

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Solution

The fourth proportional to 348,044.80, 521,629.80 and 170,168.80 is: 255,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,044.80 : 521,629.80 = 170,168.80 : x
  2. Step 2: Convert to fraction form
    348,044.80/521,629.80 = 170,168.80/x
  3. Step 3: Cross multiply
    348,044.80x = 521,629.80 × 170,168.80
  4. Step 4: Simplify right side
    348,044.80x = 88,765,117,110.24
  5. Step 5: Solve for x
    x = 88,765,117,110.24/348,044.80
  6. Step 6: Final answer
    x = 255,039.34

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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.