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Finding the Fourth Proportional to 605,341.40, 907,793.40 and 245,361.20

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Solution

The fourth proportional to 605,341.40, 907,793.40 and 245,361.20 is: 367,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,341.40 : 907,793.40 = 245,361.20 : x
  2. Step 2: Convert to fraction form
    605,341.40/907,793.40 = 245,361.20/x
  3. Step 3: Cross multiply
    605,341.40x = 907,793.40 × 245,361.20
  4. Step 4: Simplify right side
    605,341.40x = 222,737,277,976.08
  5. Step 5: Solve for x
    x = 222,737,277,976.08/605,341.40
  6. Step 6: Final answer
    x = 367,953.15

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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.