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Finding the Fourth Proportional to 523,066.98, 784,600.48 and 149,080.26

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Solution

The fourth proportional to 523,066.98, 784,600.48 and 149,080.26 is: 223,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,066.98 : 784,600.48 = 149,080.26 : x
  2. Step 2: Convert to fraction form
    523,066.98/784,600.48 = 149,080.26/x
  3. Step 3: Cross multiply
    523,066.98x = 784,600.48 × 149,080.26
  4. Step 4: Simplify right side
    523,066.98x = 116,968,443,554.53
  5. Step 5: Solve for x
    x = 116,968,443,554.53/523,066.98
  6. Step 6: Final answer
    x = 223,620.39

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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.