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Finding the Fourth Proportional to 395,817.68, 593,501.60 and 155,801.50

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Solution

The fourth proportional to 395,817.68, 593,501.60 and 155,801.50 is: 233,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,817.68 : 593,501.60 = 155,801.50 : x
  2. Step 2: Convert to fraction form
    395,817.68/593,501.60 = 155,801.50/x
  3. Step 3: Cross multiply
    395,817.68x = 593,501.60 × 155,801.50
  4. Step 4: Simplify right side
    395,817.68x = 92,468,435,785.88
  5. Step 5: Solve for x
    x = 92,468,435,785.88/395,817.68
  6. Step 6: Final answer
    x = 233,613.71

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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.