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Finding the Fourth Proportional to 595,072.40, 821,197.24 and 323,138.08

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Solution

The fourth proportional to 595,072.40, 821,197.24 and 323,138.08 is: 445,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,072.40 : 821,197.24 = 323,138.08 : x
  2. Step 2: Convert to fraction form
    595,072.40/821,197.24 = 323,138.08/x
  3. Step 3: Cross multiply
    595,072.40x = 821,197.24 × 323,138.08
  4. Step 4: Simplify right side
    595,072.40x = 265,360,099,434.90
  5. Step 5: Solve for x
    x = 265,360,099,434.90/595,072.40
  6. Step 6: Final answer
    x = 445,929.10

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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.