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Finding the Fourth Proportional to 483,072.35, 665,543.14 and 373,800.92

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Solution

The fourth proportional to 483,072.35, 665,543.14 and 373,800.92 is: 514,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,072.35 : 665,543.14 = 373,800.92 : x
  2. Step 2: Convert to fraction form
    483,072.35/665,543.14 = 373,800.92/x
  3. Step 3: Cross multiply
    483,072.35x = 665,543.14 × 373,800.92
  4. Step 4: Simplify right side
    483,072.35x = 248,780,633,769.47
  5. Step 5: Solve for x
    x = 248,780,633,769.47/483,072.35
  6. Step 6: Final answer
    x = 514,996.64

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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.