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Finding the Fourth Proportional to 444,710.80, 667,066.20 and 398,054.80

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Solution

The fourth proportional to 444,710.80, 667,066.20 and 398,054.80 is: 597,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,710.80 : 667,066.20 = 398,054.80 : x
  2. Step 2: Convert to fraction form
    444,710.80/667,066.20 = 398,054.80/x
  3. Step 3: Cross multiply
    444,710.80x = 667,066.20 × 398,054.80
  4. Step 4: Simplify right side
    444,710.80x = 265,528,902,827.76
  5. Step 5: Solve for x
    x = 265,528,902,827.76/444,710.80
  6. Step 6: Final answer
    x = 597,082.20

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Similar ratio
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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.