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Finding the Fourth Proportional to 344,697.84, 517,042.89 and 134,483.40

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Solution

The fourth proportional to 344,697.84, 517,042.89 and 134,483.40 is: 201,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,697.84 : 517,042.89 = 134,483.40 : x
  2. Step 2: Convert to fraction form
    344,697.84/517,042.89 = 134,483.40/x
  3. Step 3: Cross multiply
    344,697.84x = 517,042.89 × 134,483.40
  4. Step 4: Simplify right side
    344,697.84x = 69,533,685,793.03
  5. Step 5: Solve for x
    x = 69,533,685,793.03/344,697.84
  6. Step 6: Final answer
    x = 201,723.59

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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.