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Finding the Fourth Proportional to 395,596.02, 593,323.12 and 111,218.36

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Solution

The fourth proportional to 395,596.02, 593,323.12 and 111,218.36 is: 166,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,596.02 : 593,323.12 = 111,218.36 : x
  2. Step 2: Convert to fraction form
    395,596.02/593,323.12 = 111,218.36/x
  3. Step 3: Cross multiply
    395,596.02x = 593,323.12 × 111,218.36
  4. Step 4: Simplify right side
    395,596.02x = 65,988,424,356.48
  5. Step 5: Solve for x
    x = 65,988,424,356.48/395,596.02
  6. Step 6: Final answer
    x = 166,807.60

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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.