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Finding the Fourth Proportional to 447,066.30, 670,599.45 and 447,066.30

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Solution

The fourth proportional to 447,066.30, 670,599.45 and 447,066.30 is: 670,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,066.30 : 670,599.45 = 447,066.30 : x
  2. Step 2: Convert to fraction form
    447,066.30/670,599.45 = 447,066.30/x
  3. Step 3: Cross multiply
    447,066.30x = 670,599.45 × 447,066.30
  4. Step 4: Simplify right side
    447,066.30x = 299,802,414,893.54
  5. Step 5: Solve for x
    x = 299,802,414,893.54/447,066.30
  6. Step 6: Final answer
    x = 670,599.45

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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.