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Finding the Fourth Proportional to 554,977.92, 765,681.92 and 361,296.96

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Solution

The fourth proportional to 554,977.92, 765,681.92 and 361,296.96 is: 498,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,977.92 : 765,681.92 = 361,296.96 : x
  2. Step 2: Convert to fraction form
    554,977.92/765,681.92 = 361,296.96/x
  3. Step 3: Cross multiply
    554,977.92x = 765,681.92 × 361,296.96
  4. Step 4: Simplify right side
    554,977.92x = 276,638,550,022.96
  5. Step 5: Solve for x
    x = 276,638,550,022.96/554,977.92
  6. Step 6: Final answer
    x = 498,467.67

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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.