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Finding the Fourth Proportional to 574,004.80, 861,007.20 and 504,020.80

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Solution

The fourth proportional to 574,004.80, 861,007.20 and 504,020.80 is: 756,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,004.80 : 861,007.20 = 504,020.80 : x
  2. Step 2: Convert to fraction form
    574,004.80/861,007.20 = 504,020.80/x
  3. Step 3: Cross multiply
    574,004.80x = 861,007.20 × 504,020.80
  4. Step 4: Simplify right side
    574,004.80x = 433,965,537,749.76
  5. Step 5: Solve for x
    x = 433,965,537,749.76/574,004.80
  6. Step 6: Final answer
    x = 756,031.20

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Similar ratio
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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.