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Finding the Fourth Proportional to 593,879.20, 889,506.60 and 313,068.40

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Solution

The fourth proportional to 593,879.20, 889,506.60 and 313,068.40 is: 468,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,879.20 : 889,506.60 = 313,068.40 : x
  2. Step 2: Convert to fraction form
    593,879.20/889,506.60 = 313,068.40/x
  3. Step 3: Cross multiply
    593,879.20x = 889,506.60 × 313,068.40
  4. Step 4: Simplify right side
    593,879.20x = 278,476,408,051.44
  5. Step 5: Solve for x
    x = 278,476,408,051.44/593,879.20
  6. Step 6: Final answer
    x = 468,910.86

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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.