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Finding the Fourth Proportional to 1,766,310.73, 2,648,823.55 and 755,506.60

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Solution

The fourth proportional to 1,766,310.73, 2,648,823.55 and 755,506.60 is: 1,132,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,310.73 : 2,648,823.55 = 755,506.60 : x
  2. Step 2: Convert to fraction form
    1,766,310.73/2,648,823.55 = 755,506.60/x
  3. Step 3: Cross multiply
    1,766,310.73x = 2,648,823.55 × 755,506.60
  4. Step 4: Simplify right side
    1,766,310.73x = 2,001,203,674,260.43
  5. Step 5: Solve for x
    x = 2,001,203,674,260.43/1,766,310.73
  6. Step 6: Final answer
    x = 1,132,985.06

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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.