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Finding the Fourth Proportional to 395,302.63, 593,064.80 and 158,811.38

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Solution

The fourth proportional to 395,302.63, 593,064.80 and 158,811.38 is: 238,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,302.63 : 593,064.80 = 158,811.38 : x
  2. Step 2: Convert to fraction form
    395,302.63/593,064.80 = 158,811.38/x
  3. Step 3: Cross multiply
    395,302.63x = 593,064.80 × 158,811.38
  4. Step 4: Simplify right side
    395,302.63x = 94,185,438,523.37
  5. Step 5: Solve for x
    x = 94,185,438,523.37/395,302.63
  6. Step 6: Final answer
    x = 238,261.61

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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.