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Finding the Fourth Proportional to 484,563.60, 726,877.80 and 164,710.80

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Solution

The fourth proportional to 484,563.60, 726,877.80 and 164,710.80 is: 247,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,563.60 : 726,877.80 = 164,710.80 : x
  2. Step 2: Convert to fraction form
    484,563.60/726,877.80 = 164,710.80/x
  3. Step 3: Cross multiply
    484,563.60x = 726,877.80 × 164,710.80
  4. Step 4: Simplify right side
    484,563.60x = 119,724,623,940.24
  5. Step 5: Solve for x
    x = 119,724,623,940.24/484,563.60
  6. Step 6: Final answer
    x = 247,077.21

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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.