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Finding the Fourth Proportional to 545,016.52, 817,553.92 and 171,068.68

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Solution

The fourth proportional to 545,016.52, 817,553.92 and 171,068.68 is: 256,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,016.52 : 817,553.92 = 171,068.68 : x
  2. Step 2: Convert to fraction form
    545,016.52/817,553.92 = 171,068.68/x
  3. Step 3: Cross multiply
    545,016.52x = 817,553.92 × 171,068.68
  4. Step 4: Simplify right side
    545,016.52x = 139,857,869,923.23
  5. Step 5: Solve for x
    x = 139,857,869,923.23/545,016.52
  6. Step 6: Final answer
    x = 256,612.17

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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.