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Finding the Fourth Proportional to 395,345.80, 593,018.70 and 182,113.30

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Solution

The fourth proportional to 395,345.80, 593,018.70 and 182,113.30 is: 273,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,345.80 : 593,018.70 = 182,113.30 : x
  2. Step 2: Convert to fraction form
    395,345.80/593,018.70 = 182,113.30/x
  3. Step 3: Cross multiply
    395,345.80x = 593,018.70 × 182,113.30
  4. Step 4: Simplify right side
    395,345.80x = 107,996,592,418.71
  5. Step 5: Solve for x
    x = 107,996,592,418.71/395,345.80
  6. Step 6: Final answer
    x = 273,169.95

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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.