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Finding the Fourth Proportional to 1,916,562.60, 2,874,843.90 and 1,706,610.60

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Solution

The fourth proportional to 1,916,562.60, 2,874,843.90 and 1,706,610.60 is: 2,559,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,562.60 : 2,874,843.90 = 1,706,610.60 : x
  2. Step 2: Convert to fraction form
    1,916,562.60/2,874,843.90 = 1,706,610.60/x
  3. Step 3: Cross multiply
    1,916,562.60x = 2,874,843.90 × 1,706,610.60
  4. Step 4: Simplify right side
    1,916,562.60x = 4,906,239,073,085.34
  5. Step 5: Solve for x
    x = 4,906,239,073,085.34/1,916,562.60
  6. Step 6: Final answer
    x = 2,559,915.90

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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.