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Finding the Fourth Proportional to 654,933.60, 903,770.46 and 368,441.46

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Solution

The fourth proportional to 654,933.60, 903,770.46 and 368,441.46 is: 508,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,933.60 : 903,770.46 = 368,441.46 : x
  2. Step 2: Convert to fraction form
    654,933.60/903,770.46 = 368,441.46/x
  3. Step 3: Cross multiply
    654,933.60x = 903,770.46 × 368,441.46
  4. Step 4: Simplify right side
    654,933.60x = 332,986,507,787.27
  5. Step 5: Solve for x
    x = 332,986,507,787.27/654,933.60
  6. Step 6: Final answer
    x = 508,427.89

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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.