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Finding the Fourth Proportional to 679,582.92, 937,804.44 and 373,659

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Solution

The fourth proportional to 679,582.92, 937,804.44 and 373,659 is: 515,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,582.92 : 937,804.44 = 373,659 : x
  2. Step 2: Convert to fraction form
    679,582.92/937,804.44 = 373,659/x
  3. Step 3: Cross multiply
    679,582.92x = 937,804.44 × 373,659
  4. Step 4: Simplify right side
    679,582.92x = 350,419,069,245.96
  5. Step 5: Solve for x
    x = 350,419,069,245.96/679,582.92
  6. Step 6: Final answer
    x = 515,638.43

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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.