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Finding the Fourth Proportional to 590,310.60, 814,624.68 and 335,661.72

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Solution

The fourth proportional to 590,310.60, 814,624.68 and 335,661.72 is: 463,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,310.60 : 814,624.68 = 335,661.72 : x
  2. Step 2: Convert to fraction form
    590,310.60/814,624.68 = 335,661.72/x
  3. Step 3: Cross multiply
    590,310.60x = 814,624.68 × 335,661.72
  4. Step 4: Simplify right side
    590,310.60x = 273,438,321,243.25
  5. Step 5: Solve for x
    x = 273,438,321,243.25/590,310.60
  6. Step 6: Final answer
    x = 463,210.93

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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.