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Finding the Fourth Proportional to 422,879.69, 583,009.35 and 335,953.17

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Solution

The fourth proportional to 422,879.69, 583,009.35 and 335,953.17 is: 463,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,879.69 : 583,009.35 = 335,953.17 : x
  2. Step 2: Convert to fraction form
    422,879.69/583,009.35 = 335,953.17/x
  3. Step 3: Cross multiply
    422,879.69x = 583,009.35 × 335,953.17
  4. Step 4: Simplify right side
    422,879.69x = 195,863,838,012.32
  5. Step 5: Solve for x
    x = 195,863,838,012.32/422,879.69
  6. Step 6: Final answer
    x = 463,166.82

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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.