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Finding the Fourth Proportional to 606,563.10, 910,828.80 and 340,842.60

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Solution

The fourth proportional to 606,563.10, 910,828.80 and 340,842.60 is: 511,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,563.10 : 910,828.80 = 340,842.60 : x
  2. Step 2: Convert to fraction form
    606,563.10/910,828.80 = 340,842.60/x
  3. Step 3: Cross multiply
    606,563.10x = 910,828.80 × 340,842.60
  4. Step 4: Simplify right side
    606,563.10x = 310,449,256,346.88
  5. Step 5: Solve for x
    x = 310,449,256,346.88/606,563.10
  6. Step 6: Final answer
    x = 511,816.92

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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.