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Finding the Fourth Proportional to 673,732.47, 929,662.58 and 401,832.28

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Solution

The fourth proportional to 673,732.47, 929,662.58 and 401,832.28 is: 554,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,732.47 : 929,662.58 = 401,832.28 : x
  2. Step 2: Convert to fraction form
    673,732.47/929,662.58 = 401,832.28/x
  3. Step 3: Cross multiply
    673,732.47x = 929,662.58 × 401,832.28
  4. Step 4: Simplify right side
    673,732.47x = 373,568,434,152.08
  5. Step 5: Solve for x
    x = 373,568,434,152.08/673,732.47
  6. Step 6: Final answer
    x = 554,475.92

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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.