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Finding the Fourth Proportional to 422,957.90, 583,628.11 and 241,681.58

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Solution

The fourth proportional to 422,957.90, 583,628.11 and 241,681.58 is: 333,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,957.90 : 583,628.11 = 241,681.58 : x
  2. Step 2: Convert to fraction form
    422,957.90/583,628.11 = 241,681.58/x
  3. Step 3: Cross multiply
    422,957.90x = 583,628.11 × 241,681.58
  4. Step 4: Simplify right side
    422,957.90x = 141,052,163,757.21
  5. Step 5: Solve for x
    x = 141,052,163,757.21/422,957.90
  6. Step 6: Final answer
    x = 333,489.84

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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.