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Finding the Fourth Proportional to 1,657,193.60, 2,479,569.60 and 1,097,321.60

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Solution

The fourth proportional to 1,657,193.60, 2,479,569.60 and 1,097,321.60 is: 1,641,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,193.60 : 2,479,569.60 = 1,097,321.60 : x
  2. Step 2: Convert to fraction form
    1,657,193.60/2,479,569.60 = 1,097,321.60/x
  3. Step 3: Cross multiply
    1,657,193.60x = 2,479,569.60 × 1,097,321.60
  4. Step 4: Simplify right side
    1,657,193.60x = 2,720,885,280,783.36
  5. Step 5: Solve for x
    x = 2,720,885,280,783.36/1,657,193.60
  6. Step 6: Final answer
    x = 1,641,863.26

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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.