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Finding the Fourth Proportional to 631,585.67, 945,680.84 and 481,109.13

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Solution

The fourth proportional to 631,585.67, 945,680.84 and 481,109.13 is: 720,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,585.67 : 945,680.84 = 481,109.13 : x
  2. Step 2: Convert to fraction form
    631,585.67/945,680.84 = 481,109.13/x
  3. Step 3: Cross multiply
    631,585.67x = 945,680.84 × 481,109.13
  4. Step 4: Simplify right side
    631,585.67x = 454,975,687,392.84
  5. Step 5: Solve for x
    x = 454,975,687,392.84/631,585.67
  6. Step 6: Final answer
    x = 720,370.51

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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.