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Finding the Fourth Proportional to 523,066.47, 784,599.72 and 149,079.75

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Solution

The fourth proportional to 523,066.47, 784,599.72 and 149,079.75 is: 223,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,066.47 : 784,599.72 = 149,079.75 : x
  2. Step 2: Convert to fraction form
    523,066.47/784,599.72 = 149,079.75/x
  3. Step 3: Cross multiply
    523,066.47x = 784,599.72 × 149,079.75
  4. Step 4: Simplify right side
    523,066.47x = 116,967,930,107.67
  5. Step 5: Solve for x
    x = 116,967,930,107.67/523,066.47
  6. Step 6: Final answer
    x = 223,619.63

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Similar ratio
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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.