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Finding the Fourth Proportional to 578,007.96, 797,124.06 and 496,310.68

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Solution

The fourth proportional to 578,007.96, 797,124.06 and 496,310.68 is: 684,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,007.96 : 797,124.06 = 496,310.68 : x
  2. Step 2: Convert to fraction form
    578,007.96/797,124.06 = 496,310.68/x
  3. Step 3: Cross multiply
    578,007.96x = 797,124.06 × 496,310.68
  4. Step 4: Simplify right side
    578,007.96x = 395,621,184,262.96
  5. Step 5: Solve for x
    x = 395,621,184,262.96/578,007.96
  6. Step 6: Final answer
    x = 684,456.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.