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Finding the Fourth Proportional to 473,200.86, 652,940.08 and 279,581.84

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Solution

The fourth proportional to 473,200.86, 652,940.08 and 279,581.84 is: 385,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,200.86 : 652,940.08 = 279,581.84 : x
  2. Step 2: Convert to fraction form
    473,200.86/652,940.08 = 279,581.84/x
  3. Step 3: Cross multiply
    473,200.86x = 652,940.08 × 279,581.84
  4. Step 4: Simplify right side
    473,200.86x = 182,550,185,012.49
  5. Step 5: Solve for x
    x = 182,550,185,012.49/473,200.86
  6. Step 6: Final answer
    x = 385,777.37

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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.