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Finding the Fourth Proportional to 503,471.81, 755,027.79 and 166,450.25

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Solution

The fourth proportional to 503,471.81, 755,027.79 and 166,450.25 is: 249,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,471.81 : 755,027.79 = 166,450.25 : x
  2. Step 2: Convert to fraction form
    503,471.81/755,027.79 = 166,450.25/x
  3. Step 3: Cross multiply
    503,471.81x = 755,027.79 × 166,450.25
  4. Step 4: Simplify right side
    503,471.81x = 125,674,564,402.45
  5. Step 5: Solve for x
    x = 125,674,564,402.45/503,471.81
  6. Step 6: Final answer
    x = 249,615.89

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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.