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Finding the Fourth Proportional to 581,341.44, 802,470.41 and 339,702.56

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Solution

The fourth proportional to 581,341.44, 802,470.41 and 339,702.56 is: 468,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,341.44 : 802,470.41 = 339,702.56 : x
  2. Step 2: Convert to fraction form
    581,341.44/802,470.41 = 339,702.56/x
  3. Step 3: Cross multiply
    581,341.44x = 802,470.41 × 339,702.56
  4. Step 4: Simplify right side
    581,341.44x = 272,601,246,890.39
  5. Step 5: Solve for x
    x = 272,601,246,890.39/581,341.44
  6. Step 6: Final answer
    x = 468,917.62

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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.