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Finding the Fourth Proportional to 559,484.64, 838,231.83 and 322,337.28

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Solution

The fourth proportional to 559,484.64, 838,231.83 and 322,337.28 is: 482,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,484.64 : 838,231.83 = 322,337.28 : x
  2. Step 2: Convert to fraction form
    559,484.64/838,231.83 = 322,337.28/x
  3. Step 3: Cross multiply
    559,484.64x = 838,231.83 × 322,337.28
  4. Step 4: Simplify right side
    559,484.64x = 270,193,368,091.62
  5. Step 5: Solve for x
    x = 270,193,368,091.62/559,484.64
  6. Step 6: Final answer
    x = 482,932.59

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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.