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Finding the Fourth Proportional to 504,892.70, 756,807.40 and 167,842.90

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Solution

The fourth proportional to 504,892.70, 756,807.40 and 167,842.90 is: 251,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,892.70 : 756,807.40 = 167,842.90 : x
  2. Step 2: Convert to fraction form
    504,892.70/756,807.40 = 167,842.90/x
  3. Step 3: Cross multiply
    504,892.70x = 756,807.40 × 167,842.90
  4. Step 4: Simplify right side
    504,892.70x = 127,024,748,757.46
  5. Step 5: Solve for x
    x = 127,024,748,757.46/504,892.70
  6. Step 6: Final answer
    x = 251,587.61

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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.