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Finding the Fourth Proportional to 395,820.42, 593,880.08 and 238,159.59

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Solution

The fourth proportional to 395,820.42, 593,880.08 and 238,159.59 is: 357,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,820.42 : 593,880.08 = 238,159.59 : x
  2. Step 2: Convert to fraction form
    395,820.42/593,880.08 = 238,159.59/x
  3. Step 3: Cross multiply
    395,820.42x = 593,880.08 × 238,159.59
  4. Step 4: Simplify right side
    395,820.42x = 141,438,235,171.17
  5. Step 5: Solve for x
    x = 141,438,235,171.17/395,820.42
  6. Step 6: Final answer
    x = 357,329.30

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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.