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Finding the Fourth Proportional to 1,766,775.84, 2,648,759.76 and 768,804

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Solution

The fourth proportional to 1,766,775.84, 2,648,759.76 and 768,804 is: 1,152,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,775.84 : 2,648,759.76 = 768,804 : x
  2. Step 2: Convert to fraction form
    1,766,775.84/2,648,759.76 = 768,804/x
  3. Step 3: Cross multiply
    1,766,775.84x = 2,648,759.76 × 768,804
  4. Step 4: Simplify right side
    1,766,775.84x = 2,036,377,098,527.04
  5. Step 5: Solve for x
    x = 2,036,377,098,527.04/1,766,775.84
  6. Step 6: Final answer
    x = 1,152,595.06

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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.