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Finding the Fourth Proportional to 2,766,554.61, 4,149,828.24 and 744,800.76

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Solution

The fourth proportional to 2,766,554.61, 4,149,828.24 and 744,800.76 is: 1,117,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,554.61 : 4,149,828.24 = 744,800.76 : x
  2. Step 2: Convert to fraction form
    2,766,554.61/4,149,828.24 = 744,800.76/x
  3. Step 3: Cross multiply
    2,766,554.61x = 4,149,828.24 × 744,800.76
  4. Step 4: Simplify right side
    2,766,554.61x = 3,090,795,227,021.46
  5. Step 5: Solve for x
    x = 3,090,795,227,021.46/2,766,554.61
  6. Step 6: Final answer
    x = 1,117,200.15

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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.