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Finding the Fourth Proportional to 613,308.70, 846,366.05 and 341,370.74

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Solution

The fourth proportional to 613,308.70, 846,366.05 and 341,370.74 is: 471,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,308.70 : 846,366.05 = 341,370.74 : x
  2. Step 2: Convert to fraction form
    613,308.70/846,366.05 = 341,370.74/x
  3. Step 3: Cross multiply
    613,308.70x = 846,366.05 × 341,370.74
  4. Step 4: Simplify right side
    613,308.70x = 288,924,603,092.52
  5. Step 5: Solve for x
    x = 288,924,603,092.52/613,308.70
  6. Step 6: Final answer
    x = 471,091.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.