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Finding the Fourth Proportional to 395,926.80, 593,890.20 and 395,926.80

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Solution

The fourth proportional to 395,926.80, 593,890.20 and 395,926.80 is: 593,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,926.80 : 593,890.20 = 395,926.80 : x
  2. Step 2: Convert to fraction form
    395,926.80/593,890.20 = 395,926.80/x
  3. Step 3: Cross multiply
    395,926.80x = 593,890.20 × 395,926.80
  4. Step 4: Simplify right side
    395,926.80x = 235,137,046,437.36
  5. Step 5: Solve for x
    x = 235,137,046,437.36/395,926.80
  6. Step 6: Final answer
    x = 593,890.20

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1.5x scale

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.