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Finding the Fourth Proportional to 545,079.29, 817,016.79 and 225,054.72

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Solution

The fourth proportional to 545,079.29, 817,016.79 and 225,054.72 is: 337,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,079.29 : 817,016.79 = 225,054.72 : x
  2. Step 2: Convert to fraction form
    545,079.29/817,016.79 = 225,054.72/x
  3. Step 3: Cross multiply
    545,079.29x = 817,016.79 × 225,054.72
  4. Step 4: Simplify right side
    545,079.29x = 183,873,485,752.70
  5. Step 5: Solve for x
    x = 183,873,485,752.70/545,079.29
  6. Step 6: Final answer
    x = 337,333.47

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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.