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Finding the Fourth Proportional to 395,674.36, 593,272.32 and 155,500.84

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Solution

The fourth proportional to 395,674.36, 593,272.32 and 155,500.84 is: 233,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,674.36 : 593,272.32 = 155,500.84 : x
  2. Step 2: Convert to fraction form
    395,674.36/593,272.32 = 155,500.84/x
  3. Step 3: Cross multiply
    395,674.36x = 593,272.32 × 155,500.84
  4. Step 4: Simplify right side
    395,674.36x = 92,254,344,108.75
  5. Step 5: Solve for x
    x = 92,254,344,108.75/395,674.36
  6. Step 6: Final answer
    x = 233,157.25

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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.