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Finding the Fourth Proportional to 673,559.91, 929,446.52 and 371,734.47

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Solution

The fourth proportional to 673,559.91, 929,446.52 and 371,734.47 is: 512,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,559.91 : 929,446.52 = 371,734.47 : x
  2. Step 2: Convert to fraction form
    673,559.91/929,446.52 = 371,734.47/x
  3. Step 3: Cross multiply
    673,559.91x = 929,446.52 × 371,734.47
  4. Step 4: Simplify right side
    673,559.91x = 345,507,307,646.87
  5. Step 5: Solve for x
    x = 345,507,307,646.87/673,559.91
  6. Step 6: Final answer
    x = 512,957.05

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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.