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Finding the Fourth Proportional to 541,367,951.88, 747,068,440.11 and 306,413,567.38

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Solution

The fourth proportional to 541,367,951.88, 747,068,440.11 and 306,413,567.38 is: 422,839,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,367,951.88 : 747,068,440.11 = 306,413,567.38 : x
  2. Step 2: Convert to fraction form
    541,367,951.88/747,068,440.11 = 306,413,567.38/x
  3. Step 3: Cross multiply
    541,367,951.88x = 747,068,440.11 × 306,413,567.38
  4. Step 4: Simplify right side
    541,367,951.88x = 228,911,905,807,381,632
  5. Step 5: Solve for x
    x = 228,911,905,807,381,632/541,367,951.88
  6. Step 6: Final answer
    x = 422,839,780.25

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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.