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Finding the Fourth Proportional to 673,197.65, 928,980.37 and 367,255.78

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Solution

The fourth proportional to 673,197.65, 928,980.37 and 367,255.78 is: 506,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,197.65 : 928,980.37 = 367,255.78 : x
  2. Step 2: Convert to fraction form
    673,197.65/928,980.37 = 367,255.78/x
  3. Step 3: Cross multiply
    673,197.65x = 928,980.37 × 367,255.78
  4. Step 4: Simplify right side
    673,197.65x = 341,173,410,632.13
  5. Step 5: Solve for x
    x = 341,173,410,632.13/673,197.65
  6. Step 6: Final answer
    x = 506,795.31

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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.