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Finding the Fourth Proportional to 503,105.40, 754,497.72 and 166,083.36

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Solution

The fourth proportional to 503,105.40, 754,497.72 and 166,083.36 is: 249,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,105.40 : 754,497.72 = 166,083.36 : x
  2. Step 2: Convert to fraction form
    503,105.40/754,497.72 = 166,083.36/x
  3. Step 3: Cross multiply
    503,105.40x = 754,497.72 × 166,083.36
  4. Step 4: Simplify right side
    503,105.40x = 125,309,516,449.94
  5. Step 5: Solve for x
    x = 125,309,516,449.94/503,105.40
  6. Step 6: Final answer
    x = 249,072.10

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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.