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Finding the Fourth Proportional to 673,896.80, 929,963.76 and 367,982.48

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Solution

The fourth proportional to 673,896.80, 929,963.76 and 367,982.48 is: 507,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,896.80 : 929,963.76 = 367,982.48 : x
  2. Step 2: Convert to fraction form
    673,896.80/929,963.76 = 367,982.48/x
  3. Step 3: Cross multiply
    673,896.80x = 929,963.76 × 367,982.48
  4. Step 4: Simplify right side
    673,896.80x = 342,210,370,714.93
  5. Step 5: Solve for x
    x = 342,210,370,714.93/673,896.80
  6. Step 6: Final answer
    x = 507,808.27

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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.