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Finding the Fourth Proportional to 662,173.60, 913,164.32 and 444,873.28

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Solution

The fourth proportional to 662,173.60, 913,164.32 and 444,873.28 is: 613,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,173.60 : 913,164.32 = 444,873.28 : x
  2. Step 2: Convert to fraction form
    662,173.60/913,164.32 = 444,873.28/x
  3. Step 3: Cross multiply
    662,173.60x = 913,164.32 × 444,873.28
  4. Step 4: Simplify right side
    662,173.60x = 406,242,406,217.37
  5. Step 5: Solve for x
    x = 406,242,406,217.37/662,173.60
  6. Step 6: Final answer
    x = 613,498.34

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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.