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Finding the Fourth Proportional to 615,709.40, 923,595.21 and 236,497.19

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Solution

The fourth proportional to 615,709.40, 923,595.21 and 236,497.19 is: 354,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,709.40 : 923,595.21 = 236,497.19 : x
  2. Step 2: Convert to fraction form
    615,709.40/923,595.21 = 236,497.19/x
  3. Step 3: Cross multiply
    615,709.40x = 923,595.21 × 236,497.19
  4. Step 4: Simplify right side
    615,709.40x = 218,427,667,244.48
  5. Step 5: Solve for x
    x = 218,427,667,244.48/615,709.40
  6. Step 6: Final answer
    x = 354,757.73

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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.