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Finding the Fourth Proportional to 605,313.25, 835,353.71 and 375,996.13

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Solution

The fourth proportional to 605,313.25, 835,353.71 and 375,996.13 is: 518,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,313.25 : 835,353.71 = 375,996.13 : x
  2. Step 2: Convert to fraction form
    605,313.25/835,353.71 = 375,996.13/x
  3. Step 3: Cross multiply
    605,313.25x = 835,353.71 × 375,996.13
  4. Step 4: Simplify right side
    605,313.25x = 314,089,759,582.76
  5. Step 5: Solve for x
    x = 314,089,759,582.76/605,313.25
  6. Step 6: Final answer
    x = 518,887.96

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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.