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Finding the Fourth Proportional to 395,488.02, 593,137.94 and 170,725.47

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Solution

The fourth proportional to 395,488.02, 593,137.94 and 170,725.47 is: 256,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,488.02 : 593,137.94 = 170,725.47 : x
  2. Step 2: Convert to fraction form
    395,488.02/593,137.94 = 170,725.47/x
  3. Step 3: Cross multiply
    395,488.02x = 593,137.94 × 170,725.47
  4. Step 4: Simplify right side
    395,488.02x = 101,263,754,800.17
  5. Step 5: Solve for x
    x = 101,263,754,800.17/395,488.02
  6. Step 6: Final answer
    x = 256,047.59

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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.