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Finding the Fourth Proportional to 783,801.72, 1,169,195.82 and 757,563.30

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Solution

The fourth proportional to 783,801.72, 1,169,195.82 and 757,563.30 is: 1,130,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,801.72 : 1,169,195.82 = 757,563.30 : x
  2. Step 2: Convert to fraction form
    783,801.72/1,169,195.82 = 757,563.30/x
  3. Step 3: Cross multiply
    783,801.72x = 1,169,195.82 × 757,563.30
  4. Step 4: Simplify right side
    783,801.72x = 885,739,843,745.41
  5. Step 5: Solve for x
    x = 885,739,843,745.41/783,801.72
  6. Step 6: Final answer
    x = 1,130,056.01

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.