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Finding the Fourth Proportional to 324,287.04, 483,168.90 and 306,178.68

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Solution

The fourth proportional to 324,287.04, 483,168.90 and 306,178.68 is: 456,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,287.04 : 483,168.90 = 306,178.68 : x
  2. Step 2: Convert to fraction form
    324,287.04/483,168.90 = 306,178.68/x
  3. Step 3: Cross multiply
    324,287.04x = 483,168.90 × 306,178.68
  4. Step 4: Simplify right side
    324,287.04x = 147,936,016,019.05
  5. Step 5: Solve for x
    x = 147,936,016,019.05/324,287.04
  6. Step 6: Final answer
    x = 456,188.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.