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Finding the Fourth Proportional to 673,656.96, 929,631.60 and 367,739.04

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Solution

The fourth proportional to 673,656.96, 929,631.60 and 367,739.04 is: 507,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,656.96 : 929,631.60 = 367,739.04 : x
  2. Step 2: Convert to fraction form
    673,656.96/929,631.60 = 367,739.04/x
  3. Step 3: Cross multiply
    673,656.96x = 929,631.60 × 367,739.04
  4. Step 4: Simplify right side
    673,656.96x = 341,861,832,137.66
  5. Step 5: Solve for x
    x = 341,861,832,137.66/673,656.96
  6. Step 6: Final answer
    x = 507,471.68

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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.