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Finding the Fourth Proportional to 598,271.47, 825,630.17 and 326,343.94

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Solution

The fourth proportional to 598,271.47, 825,630.17 and 326,343.94 is: 450,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,271.47 : 825,630.17 = 326,343.94 : x
  2. Step 2: Convert to fraction form
    598,271.47/825,630.17 = 326,343.94/x
  3. Step 3: Cross multiply
    598,271.47x = 825,630.17 × 326,343.94
  4. Step 4: Simplify right side
    598,271.47x = 269,439,398,964.88
  5. Step 5: Solve for x
    x = 269,439,398,964.88/598,271.47
  6. Step 6: Final answer
    x = 450,363.11

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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.