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Finding the Fourth Proportional to 615,318.64, 923,133.84 and 188,876.08

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Solution

The fourth proportional to 615,318.64, 923,133.84 and 188,876.08 is: 283,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,318.64 : 923,133.84 = 188,876.08 : x
  2. Step 2: Convert to fraction form
    615,318.64/923,133.84 = 188,876.08/x
  3. Step 3: Cross multiply
    615,318.64x = 923,133.84 × 188,876.08
  4. Step 4: Simplify right side
    615,318.64x = 174,357,901,014.55
  5. Step 5: Solve for x
    x = 174,357,901,014.55/615,318.64
  6. Step 6: Final answer
    x = 283,361.97

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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.