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Finding the Fourth Proportional to 308,121.20, 462,527.40 and 183,532.40

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Solution

The fourth proportional to 308,121.20, 462,527.40 and 183,532.40 is: 275,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,121.20 : 462,527.40 = 183,532.40 : x
  2. Step 2: Convert to fraction form
    308,121.20/462,527.40 = 183,532.40/x
  3. Step 3: Cross multiply
    308,121.20x = 462,527.40 × 183,532.40
  4. Step 4: Simplify right side
    308,121.20x = 84,888,763,787.76
  5. Step 5: Solve for x
    x = 84,888,763,787.76/308,121.20
  6. Step 6: Final answer
    x = 275,504.46

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1.5x scale

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.