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Finding the Fourth Proportional to 1,736,481.60, 2,602,821.60 and 613,972.80

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Solution

The fourth proportional to 1,736,481.60, 2,602,821.60 and 613,972.80 is: 920,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,481.60 : 2,602,821.60 = 613,972.80 : x
  2. Step 2: Convert to fraction form
    1,736,481.60/2,602,821.60 = 613,972.80/x
  3. Step 3: Cross multiply
    1,736,481.60x = 2,602,821.60 × 613,972.80
  4. Step 4: Simplify right side
    1,736,481.60x = 1,598,061,665,652.48
  5. Step 5: Solve for x
    x = 1,598,061,665,652.48/1,736,481.60
  6. Step 6: Final answer
    x = 920,287.13

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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.