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Finding the Fourth Proportional to 484,225.40, 726,338.10 and 295,268.60

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Solution

The fourth proportional to 484,225.40, 726,338.10 and 295,268.60 is: 442,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,225.40 : 726,338.10 = 295,268.60 : x
  2. Step 2: Convert to fraction form
    484,225.40/726,338.10 = 295,268.60/x
  3. Step 3: Cross multiply
    484,225.40x = 726,338.10 × 295,268.60
  4. Step 4: Simplify right side
    484,225.40x = 214,464,833,913.66
  5. Step 5: Solve for x
    x = 214,464,833,913.66/484,225.40
  6. Step 6: Final answer
    x = 442,902.90

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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.