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Finding the Fourth Proportional to 341,778.40, 512,667.60 and 164,631.40

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Solution

The fourth proportional to 341,778.40, 512,667.60 and 164,631.40 is: 246,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,778.40 : 512,667.60 = 164,631.40 : x
  2. Step 2: Convert to fraction form
    341,778.40/512,667.60 = 164,631.40/x
  3. Step 3: Cross multiply
    341,778.40x = 512,667.60 × 164,631.40
  4. Step 4: Simplify right side
    341,778.40x = 84,401,184,722.64
  5. Step 5: Solve for x
    x = 84,401,184,722.64/341,778.40
  6. Step 6: Final answer
    x = 246,947.10

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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.