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Finding the Fourth Proportional to 578,804.32, 868,348.56 and 467,493.28

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Solution

The fourth proportional to 578,804.32, 868,348.56 and 467,493.28 is: 701,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,804.32 : 868,348.56 = 467,493.28 : x
  2. Step 2: Convert to fraction form
    578,804.32/868,348.56 = 467,493.28/x
  3. Step 3: Cross multiply
    578,804.32x = 868,348.56 × 467,493.28
  4. Step 4: Simplify right side
    578,804.32x = 405,947,116,497.68
  5. Step 5: Solve for x
    x = 405,947,116,497.68/578,804.32
  6. Step 6: Final answer
    x = 701,354.68

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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.