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Finding the Fourth Proportional to 673,898.52, 929,984.46 and 367,977.03

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Solution

The fourth proportional to 673,898.52, 929,984.46 and 367,977.03 is: 507,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,898.52 : 929,984.46 = 367,977.03 : x
  2. Step 2: Convert to fraction form
    673,898.52/929,984.46 = 367,977.03/x
  3. Step 3: Cross multiply
    673,898.52x = 929,984.46 × 367,977.03
  4. Step 4: Simplify right side
    673,898.52x = 342,212,923,659.47
  5. Step 5: Solve for x
    x = 342,212,923,659.47/673,898.52
  6. Step 6: Final answer
    x = 507,810.76

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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.