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Finding the Fourth Proportional to 504,945.63, 757,220.81 and 189,230.31

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Solution

The fourth proportional to 504,945.63, 757,220.81 and 189,230.31 is: 283,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,945.63 : 757,220.81 = 189,230.31 : x
  2. Step 2: Convert to fraction form
    504,945.63/757,220.81 = 189,230.31/x
  3. Step 3: Cross multiply
    504,945.63x = 757,220.81 × 189,230.31
  4. Step 4: Simplify right side
    504,945.63x = 143,289,127,668.60
  5. Step 5: Solve for x
    x = 143,289,127,668.60/504,945.63
  6. Step 6: Final answer
    x = 283,771.40

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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.