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Finding the Fourth Proportional to 295,473.40, 442,691.70 and 242,596.60

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Solution

The fourth proportional to 295,473.40, 442,691.70 and 242,596.60 is: 363,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,473.40 : 442,691.70 = 242,596.60 : x
  2. Step 2: Convert to fraction form
    295,473.40/442,691.70 = 242,596.60/x
  3. Step 3: Cross multiply
    295,473.40x = 442,691.70 × 242,596.60
  4. Step 4: Simplify right side
    295,473.40x = 107,395,501,268.22
  5. Step 5: Solve for x
    x = 107,395,501,268.22/295,473.40
  6. Step 6: Final answer
    x = 363,469.27

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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.