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Finding the Fourth Proportional to 673,464.41, 929,378.99 and 371,656.25

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Solution

The fourth proportional to 673,464.41, 929,378.99 and 371,656.25 is: 512,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,464.41 : 929,378.99 = 371,656.25 : x
  2. Step 2: Convert to fraction form
    673,464.41/929,378.99 = 371,656.25/x
  3. Step 3: Cross multiply
    673,464.41x = 929,378.99 × 371,656.25
  4. Step 4: Simplify right side
    673,464.41x = 345,409,508,393.91
  5. Step 5: Solve for x
    x = 345,409,508,393.91/673,464.41
  6. Step 6: Final answer
    x = 512,884.58

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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.