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Finding the Fourth Proportional to 376,222.57, 564,332.34 and 136,280.35

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Solution

The fourth proportional to 376,222.57, 564,332.34 and 136,280.35 is: 204,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,222.57 : 564,332.34 = 136,280.35 : x
  2. Step 2: Convert to fraction form
    376,222.57/564,332.34 = 136,280.35/x
  3. Step 3: Cross multiply
    376,222.57x = 564,332.34 × 136,280.35
  4. Step 4: Simplify right side
    376,222.57x = 76,907,408,057.51
  5. Step 5: Solve for x
    x = 76,907,408,057.51/376,222.57
  6. Step 6: Final answer
    x = 204,419.97

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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.