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Finding the Fourth Proportional to 395,955.60, 593,933.40 and 246,656.40

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Solution

The fourth proportional to 395,955.60, 593,933.40 and 246,656.40 is: 369,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,955.60 : 593,933.40 = 246,656.40 : x
  2. Step 2: Convert to fraction form
    395,955.60/593,933.40 = 246,656.40/x
  3. Step 3: Cross multiply
    395,955.60x = 593,933.40 × 246,656.40
  4. Step 4: Simplify right side
    395,955.60x = 146,497,474,283.76
  5. Step 5: Solve for x
    x = 146,497,474,283.76/395,955.60
  6. Step 6: Final answer
    x = 369,984.60

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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.