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Finding the Fourth Proportional to 484,412.28, 726,622.50 and 168,868.60

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Solution

The fourth proportional to 484,412.28, 726,622.50 and 168,868.60 is: 253,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,412.28 : 726,622.50 = 168,868.60 : x
  2. Step 2: Convert to fraction form
    484,412.28/726,622.50 = 168,868.60/x
  3. Step 3: Cross multiply
    484,412.28x = 726,622.50 × 168,868.60
  4. Step 4: Simplify right side
    484,412.28x = 122,703,724,303.50
  5. Step 5: Solve for x
    x = 122,703,724,303.50/484,412.28
  6. Step 6: Final answer
    x = 253,304.32

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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.