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Finding the Fourth Proportional to 1,375,912, 2,063,959 and 365,019.76

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Solution

The fourth proportional to 1,375,912, 2,063,959 and 365,019.76 is: 547,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,912 : 2,063,959 = 365,019.76 : x
  2. Step 2: Convert to fraction form
    1,375,912/2,063,959 = 365,019.76/x
  3. Step 3: Cross multiply
    1,375,912x = 2,063,959 × 365,019.76
  4. Step 4: Simplify right side
    1,375,912x = 753,385,818,829.84
  5. Step 5: Solve for x
    x = 753,385,818,829.84/1,375,912
  6. Step 6: Final answer
    x = 547,553.78

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