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Finding the Fourth Proportional to 615,825.80, 923,277.90 and 335,659.40

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Solution

The fourth proportional to 615,825.80, 923,277.90 and 335,659.40 is: 503,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,825.80 : 923,277.90 = 335,659.40 : x
  2. Step 2: Convert to fraction form
    615,825.80/923,277.90 = 335,659.40/x
  3. Step 3: Cross multiply
    615,825.80x = 923,277.90 × 335,659.40
  4. Step 4: Simplify right side
    615,825.80x = 309,906,905,947.26
  5. Step 5: Solve for x
    x = 309,906,905,947.26/615,825.80
  6. Step 6: Final answer
    x = 503,237.94

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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.