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Finding the Fourth Proportional to 504,604,553.35, 696,354,309.80 and 278,543,596.84

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Solution

The fourth proportional to 504,604,553.35, 696,354,309.80 and 278,543,596.84 is: 384,390,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,604,553.35 : 696,354,309.80 = 278,543,596.84 : x
  2. Step 2: Convert to fraction form
    504,604,553.35/696,354,309.80 = 278,543,596.84/x
  3. Step 3: Cross multiply
    504,604,553.35x = 696,354,309.80 × 278,543,596.84
  4. Step 4: Simplify right side
    504,604,553.35x = 193,965,034,126,727,616
  5. Step 5: Solve for x
    x = 193,965,034,126,727,616/504,604,553.35
  6. Step 6: Final answer
    x = 384,390,178.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.