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Finding the Fourth Proportional to 499,602.94, 689,452.05 and 273,248.44

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Solution

The fourth proportional to 499,602.94, 689,452.05 and 273,248.44 is: 377,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,602.94 : 689,452.05 = 273,248.44 : x
  2. Step 2: Convert to fraction form
    499,602.94/689,452.05 = 273,248.44/x
  3. Step 3: Cross multiply
    499,602.94x = 689,452.05 × 273,248.44
  4. Step 4: Simplify right side
    499,602.94x = 188,391,696,418.35
  5. Step 5: Solve for x
    x = 188,391,696,418.35/499,602.94
  6. Step 6: Final answer
    x = 377,082.84

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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.