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Finding the Fourth Proportional to 377,602.44, 521,081.40 and 205,523.76

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Solution

The fourth proportional to 377,602.44, 521,081.40 and 205,523.76 is: 283,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,602.44 : 521,081.40 = 205,523.76 : x
  2. Step 2: Convert to fraction form
    377,602.44/521,081.40 = 205,523.76/x
  3. Step 3: Cross multiply
    377,602.44x = 521,081.40 × 205,523.76
  4. Step 4: Simplify right side
    377,602.44x = 107,094,608,594.06
  5. Step 5: Solve for x
    x = 107,094,608,594.06/377,602.44
  6. Step 6: Final answer
    x = 283,617.36

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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.