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Finding the Fourth Proportional to 363,956,871.80, 545,935,307.70 and 226,207,364.60

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Solution

The fourth proportional to 363,956,871.80, 545,935,307.70 and 226,207,364.60 is: 339,311,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,956,871.80 : 545,935,307.70 = 226,207,364.60 : x
  2. Step 2: Convert to fraction form
    363,956,871.80/545,935,307.70 = 226,207,364.60/x
  3. Step 3: Cross multiply
    363,956,871.80x = 545,935,307.70 × 226,207,364.60
  4. Step 4: Simplify right side
    363,956,871.80x = 123,494,587,196,907,088
  5. Step 5: Solve for x
    x = 123,494,587,196,907,088/363,956,871.80
  6. Step 6: Final answer
    x = 339,311,046.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.