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Finding the Fourth Proportional to 341,984.80, 512,977.20 and 184,520.80

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Solution

The fourth proportional to 341,984.80, 512,977.20 and 184,520.80 is: 276,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,984.80 : 512,977.20 = 184,520.80 : x
  2. Step 2: Convert to fraction form
    341,984.80/512,977.20 = 184,520.80/x
  3. Step 3: Cross multiply
    341,984.80x = 512,977.20 × 184,520.80
  4. Step 4: Simplify right side
    341,984.80x = 94,654,963,325.76
  5. Step 5: Solve for x
    x = 94,654,963,325.76/341,984.80
  6. Step 6: Final answer
    x = 276,781.20

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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.