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Finding the Fourth Proportional to 590,980.40, 885,984.60 and 254,279.60

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Solution

The fourth proportional to 590,980.40, 885,984.60 and 254,279.60 is: 381,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,980.40 : 885,984.60 = 254,279.60 : x
  2. Step 2: Convert to fraction form
    590,980.40/885,984.60 = 254,279.60/x
  3. Step 3: Cross multiply
    590,980.40x = 885,984.60 × 254,279.60
  4. Step 4: Simplify right side
    590,980.40x = 225,287,809,694.16
  5. Step 5: Solve for x
    x = 225,287,809,694.16/590,980.40
  6. Step 6: Final answer
    x = 381,210.29

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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.