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Finding the Fourth Proportional to 597,615.20, 838,760.80 and 597,615.20

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Solution

The fourth proportional to 597,615.20, 838,760.80 and 597,615.20 is: 838,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,615.20 : 838,760.80 = 597,615.20 : x
  2. Step 2: Convert to fraction form
    597,615.20/838,760.80 = 597,615.20/x
  3. Step 3: Cross multiply
    597,615.20x = 838,760.80 × 597,615.20
  4. Step 4: Simplify right side
    597,615.20x = 501,256,203,244.16
  5. Step 5: Solve for x
    x = 501,256,203,244.16/597,615.20
  6. Step 6: Final answer
    x = 838,760.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.