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Finding the Fourth Proportional to 673,615.92, 929,612.46 and 367,710.42

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Solution

The fourth proportional to 673,615.92, 929,612.46 and 367,710.42 is: 507,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,615.92 : 929,612.46 = 367,710.42 : x
  2. Step 2: Convert to fraction form
    673,615.92/929,612.46 = 367,710.42/x
  3. Step 3: Cross multiply
    673,615.92x = 929,612.46 × 367,710.42
  4. Step 4: Simplify right side
    673,615.92x = 341,828,188,103.83
  5. Step 5: Solve for x
    x = 341,828,188,103.83/673,615.92
  6. Step 6: Final answer
    x = 507,452.66

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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.