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Finding the Fourth Proportional to 586,956.05, 809,997.56 and 325,328.06

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Solution

The fourth proportional to 586,956.05, 809,997.56 and 325,328.06 is: 448,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,956.05 : 809,997.56 = 325,328.06 : x
  2. Step 2: Convert to fraction form
    586,956.05/809,997.56 = 325,328.06/x
  3. Step 3: Cross multiply
    586,956.05x = 809,997.56 × 325,328.06
  4. Step 4: Simplify right side
    586,956.05x = 263,514,936,417.87
  5. Step 5: Solve for x
    x = 263,514,936,417.87/586,956.05
  6. Step 6: Final answer
    x = 448,951.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.