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Finding the Fourth Proportional to 585,554.96, 878,317.78 and 270,011.60

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Solution

The fourth proportional to 585,554.96, 878,317.78 and 270,011.60 is: 405,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,554.96 : 878,317.78 = 270,011.60 : x
  2. Step 2: Convert to fraction form
    585,554.96/878,317.78 = 270,011.60/x
  3. Step 3: Cross multiply
    585,554.96x = 878,317.78 × 270,011.60
  4. Step 4: Simplify right side
    585,554.96x = 237,155,989,086.25
  5. Step 5: Solve for x
    x = 237,155,989,086.25/585,554.96
  6. Step 6: Final answer
    x = 405,010.64

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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.