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Finding the Fourth Proportional to 673,876.59, 929,944.96 and 367,952.78

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Solution

The fourth proportional to 673,876.59, 929,944.96 and 367,952.78 is: 507,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,876.59 : 929,944.96 = 367,952.78 : x
  2. Step 2: Convert to fraction form
    673,876.59/929,944.96 = 367,952.78/x
  3. Step 3: Cross multiply
    673,876.59x = 929,944.96 × 367,952.78
  4. Step 4: Simplify right side
    673,876.59x = 342,175,833,278.99
  5. Step 5: Solve for x
    x = 342,175,833,278.99/673,876.59
  6. Step 6: Final answer
    x = 507,772.25

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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.