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Finding the Fourth Proportional to 783,801, 1,081,654.02 and 426,105

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Solution

The fourth proportional to 783,801, 1,081,654.02 and 426,105 is: 588,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,801 : 1,081,654.02 = 426,105 : x
  2. Step 2: Convert to fraction form
    783,801/1,081,654.02 = 426,105/x
  3. Step 3: Cross multiply
    783,801x = 1,081,654.02 × 426,105
  4. Step 4: Simplify right side
    783,801x = 460,898,186,192.10
  5. Step 5: Solve for x
    x = 460,898,186,192.10/783,801
  6. Step 6: Final answer
    x = 588,029.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.