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Finding the Fourth Proportional to 339,103.08, 508,798.30 and 170,534.76

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Solution

The fourth proportional to 339,103.08, 508,798.30 and 170,534.76 is: 255,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,103.08 : 508,798.30 = 170,534.76 : x
  2. Step 2: Convert to fraction form
    339,103.08/508,798.30 = 170,534.76/x
  3. Step 3: Cross multiply
    339,103.08x = 508,798.30 × 170,534.76
  4. Step 4: Simplify right side
    339,103.08x = 86,767,795,978.91
  5. Step 5: Solve for x
    x = 86,767,795,978.91/339,103.08
  6. Step 6: Final answer
    x = 255,874.40

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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.