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Finding the Fourth Proportional to 544,693.46, 817,085.92 and 165,617.48

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Solution

The fourth proportional to 544,693.46, 817,085.92 and 165,617.48 is: 248,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,693.46 : 817,085.92 = 165,617.48 : x
  2. Step 2: Convert to fraction form
    544,693.46/817,085.92 = 165,617.48/x
  3. Step 3: Cross multiply
    544,693.46x = 817,085.92 × 165,617.48
  4. Step 4: Simplify right side
    544,693.46x = 135,323,711,013.88
  5. Step 5: Solve for x
    x = 135,323,711,013.88/544,693.46
  6. Step 6: Final answer
    x = 248,440.12

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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.