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Finding the Fourth Proportional to 1,736,850.40, 2,607,608.40 and 1,108,549.60

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Solution

The fourth proportional to 1,736,850.40, 2,607,608.40 and 1,108,549.60 is: 1,664,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,850.40 : 2,607,608.40 = 1,108,549.60 : x
  2. Step 2: Convert to fraction form
    1,736,850.40/2,607,608.40 = 1,108,549.60/x
  3. Step 3: Cross multiply
    1,736,850.40x = 2,607,608.40 × 1,108,549.60
  4. Step 4: Simplify right side
    1,736,850.40x = 2,890,663,248,776.64
  5. Step 5: Solve for x
    x = 2,890,663,248,776.64/1,736,850.40
  6. Step 6: Final answer
    x = 1,664,313.32

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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.