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Finding the Fourth Proportional to 543,950.96, 815,926.29 and 169,973.96

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Solution

The fourth proportional to 543,950.96, 815,926.29 and 169,973.96 is: 254,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,950.96 : 815,926.29 = 169,973.96 : x
  2. Step 2: Convert to fraction form
    543,950.96/815,926.29 = 169,973.96/x
  3. Step 3: Cross multiply
    543,950.96x = 815,926.29 × 169,973.96
  4. Step 4: Simplify right side
    543,950.96x = 138,686,222,579.41
  5. Step 5: Solve for x
    x = 138,686,222,579.41/543,950.96
  6. Step 6: Final answer
    x = 254,960.89

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Double scale
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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.