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Finding the Fourth Proportional to 574,090.60, 859,167.60 and 396,943.60

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Solution

The fourth proportional to 574,090.60, 859,167.60 and 396,943.60 is: 594,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,090.60 : 859,167.60 = 396,943.60 : x
  2. Step 2: Convert to fraction form
    574,090.60/859,167.60 = 396,943.60/x
  3. Step 3: Cross multiply
    574,090.60x = 859,167.60 × 396,943.60
  4. Step 4: Simplify right side
    574,090.60x = 341,041,080,147.36
  5. Step 5: Solve for x
    x = 341,041,080,147.36/574,090.60
  6. Step 6: Final answer
    x = 594,054.46

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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.