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Finding the Fourth Proportional to 395,204.80, 592,807.20 and 262,955.20

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Solution

The fourth proportional to 395,204.80, 592,807.20 and 262,955.20 is: 394,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,204.80 : 592,807.20 = 262,955.20 : x
  2. Step 2: Convert to fraction form
    395,204.80/592,807.20 = 262,955.20/x
  3. Step 3: Cross multiply
    395,204.80x = 592,807.20 × 262,955.20
  4. Step 4: Simplify right side
    395,204.80x = 155,881,735,837.44
  5. Step 5: Solve for x
    x = 155,881,735,837.44/395,204.80
  6. Step 6: Final answer
    x = 394,432.80

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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.