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Finding the Fourth Proportional to 610,076.28, 841,955.64 and 338,229.44

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Solution

The fourth proportional to 610,076.28, 841,955.64 and 338,229.44 is: 466,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,076.28 : 841,955.64 = 338,229.44 : x
  2. Step 2: Convert to fraction form
    610,076.28/841,955.64 = 338,229.44/x
  3. Step 3: Cross multiply
    610,076.28x = 841,955.64 × 338,229.44
  4. Step 4: Simplify right side
    610,076.28x = 284,774,184,622.04
  5. Step 5: Solve for x
    x = 284,774,184,622.04/610,076.28
  6. Step 6: Final answer
    x = 466,784.55

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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.