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Finding the Fourth Proportional to 576,020.80, 864,031.20 and 202,004.80

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Solution

The fourth proportional to 576,020.80, 864,031.20 and 202,004.80 is: 303,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,020.80 : 864,031.20 = 202,004.80 : x
  2. Step 2: Convert to fraction form
    576,020.80/864,031.20 = 202,004.80/x
  3. Step 3: Cross multiply
    576,020.80x = 864,031.20 × 202,004.80
  4. Step 4: Simplify right side
    576,020.80x = 174,538,449,749.76
  5. Step 5: Solve for x
    x = 174,538,449,749.76/576,020.80
  6. Step 6: Final answer
    x = 303,007.20

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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.