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Finding the Fourth Proportional to 395,953.20, 593,929.80 and 186,001.20

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Solution

The fourth proportional to 395,953.20, 593,929.80 and 186,001.20 is: 279,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,953.20 : 593,929.80 = 186,001.20 : x
  2. Step 2: Convert to fraction form
    395,953.20/593,929.80 = 186,001.20/x
  3. Step 3: Cross multiply
    395,953.20x = 593,929.80 × 186,001.20
  4. Step 4: Simplify right side
    395,953.20x = 110,471,655,515.76
  5. Step 5: Solve for x
    x = 110,471,655,515.76/395,953.20
  6. Step 6: Final answer
    x = 279,001.80

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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.