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Finding the Fourth Proportional to 673,434.48, 929,359.20 and 367,530.54

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Solution

The fourth proportional to 673,434.48, 929,359.20 and 367,530.54 is: 507,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,434.48 : 929,359.20 = 367,530.54 : x
  2. Step 2: Convert to fraction form
    673,434.48/929,359.20 = 367,530.54/x
  3. Step 3: Cross multiply
    673,434.48x = 929,359.20 × 367,530.54
  4. Step 4: Simplify right side
    673,434.48x = 341,567,888,629.97
  5. Step 5: Solve for x
    x = 341,567,888,629.97/673,434.48
  6. Step 6: Final answer
    x = 507,202.85

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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.