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Finding the Fourth Proportional to 395,671.68, 593,702.40 and 185,273.28

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Solution

The fourth proportional to 395,671.68, 593,702.40 and 185,273.28 is: 278,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,671.68 : 593,702.40 = 185,273.28 : x
  2. Step 2: Convert to fraction form
    395,671.68/593,702.40 = 185,273.28/x
  3. Step 3: Cross multiply
    395,671.68x = 593,702.40 × 185,273.28
  4. Step 4: Simplify right side
    395,671.68x = 109,997,190,991.87
  5. Step 5: Solve for x
    x = 109,997,190,991.87/395,671.68
  6. Step 6: Final answer
    x = 278,001.17

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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.