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Finding the Fourth Proportional to 339,185.48, 508,630.59 and 170,600.58

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Solution

The fourth proportional to 339,185.48, 508,630.59 and 170,600.58 is: 255,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,185.48 : 508,630.59 = 170,600.58 : x
  2. Step 2: Convert to fraction form
    339,185.48/508,630.59 = 170,600.58/x
  3. Step 3: Cross multiply
    339,185.48x = 508,630.59 × 170,600.58
  4. Step 4: Simplify right side
    339,185.48x = 86,772,673,659.74
  5. Step 5: Solve for x
    x = 86,772,673,659.74/339,185.48
  6. Step 6: Final answer
    x = 255,826.62

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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.