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Finding the Fourth Proportional to 1,736,892.40, 2,607,671.40 and 1,108,591.60

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Solution

The fourth proportional to 1,736,892.40, 2,607,671.40 and 1,108,591.60 is: 1,664,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,892.40 : 2,607,671.40 = 1,108,591.60 : x
  2. Step 2: Convert to fraction form
    1,736,892.40/2,607,671.40 = 1,108,591.60/x
  3. Step 3: Cross multiply
    1,736,892.40x = 2,607,671.40 × 1,108,591.60
  4. Step 4: Simplify right side
    1,736,892.40x = 2,890,842,609,600.24
  5. Step 5: Solve for x
    x = 2,890,842,609,600.24/1,736,892.40
  6. Step 6: Final answer
    x = 1,664,376.34

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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.