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Finding the Fourth Proportional to 395,034.96, 592,420.80 and 170,255.04

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Solution

The fourth proportional to 395,034.96, 592,420.80 and 170,255.04 is: 255,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,034.96 : 592,420.80 = 170,255.04 : x
  2. Step 2: Convert to fraction form
    395,034.96/592,420.80 = 170,255.04/x
  3. Step 3: Cross multiply
    395,034.96x = 592,420.80 × 170,255.04
  4. Step 4: Simplify right side
    395,034.96x = 100,862,627,000.83
  5. Step 5: Solve for x
    x = 100,862,627,000.83/395,034.96
  6. Step 6: Final answer
    x = 255,325.82

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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.