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Finding the Fourth Proportional to 395,562.40, 592,940.40 and 195,575.20

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Solution

The fourth proportional to 395,562.40, 592,940.40 and 195,575.20 is: 293,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,562.40 : 592,940.40 = 195,575.20 : x
  2. Step 2: Convert to fraction form
    395,562.40/592,940.40 = 195,575.20/x
  3. Step 3: Cross multiply
    395,562.40x = 592,940.40 × 195,575.20
  4. Step 4: Simplify right side
    395,562.40x = 115,964,437,318.08
  5. Step 5: Solve for x
    x = 115,964,437,318.08/395,562.40
  6. Step 6: Final answer
    x = 293,163.45

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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.