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Finding the Fourth Proportional to 295,534.20, 442,645.20 and 243,046.20

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Solution

The fourth proportional to 295,534.20, 442,645.20 and 243,046.20 is: 364,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,534.20 : 442,645.20 = 243,046.20 : x
  2. Step 2: Convert to fraction form
    295,534.20/442,645.20 = 243,046.20/x
  3. Step 3: Cross multiply
    295,534.20x = 442,645.20 × 243,046.20
  4. Step 4: Simplify right side
    295,534.20x = 107,583,233,808.24
  5. Step 5: Solve for x
    x = 107,583,233,808.24/295,534.20
  6. Step 6: Final answer
    x = 364,029.73

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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.