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Finding the Fourth Proportional to 395,048.64, 592,379.52 and 195,304.32

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Solution

The fourth proportional to 395,048.64, 592,379.52 and 195,304.32 is: 292,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,048.64 : 592,379.52 = 195,304.32 : x
  2. Step 2: Convert to fraction form
    395,048.64/592,379.52 = 195,304.32/x
  3. Step 3: Cross multiply
    395,048.64x = 592,379.52 × 195,304.32
  4. Step 4: Simplify right side
    395,048.64x = 115,694,279,335.53
  5. Step 5: Solve for x
    x = 115,694,279,335.53/395,048.64
  6. Step 6: Final answer
    x = 292,860.85

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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.