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Finding the Fourth Proportional to 484,235.40, 726,353.10 and 295,278.60

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Solution

The fourth proportional to 484,235.40, 726,353.10 and 295,278.60 is: 442,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,235.40 : 726,353.10 = 295,278.60 : x
  2. Step 2: Convert to fraction form
    484,235.40/726,353.10 = 295,278.60/x
  3. Step 3: Cross multiply
    484,235.40x = 726,353.10 × 295,278.60
  4. Step 4: Simplify right side
    484,235.40x = 214,476,526,473.66
  5. Step 5: Solve for x
    x = 214,476,526,473.66/484,235.40
  6. Step 6: Final answer
    x = 442,917.90

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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.