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Finding the Fourth Proportional to 613,186.62, 846,237.38 and 341,253.74

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Solution

The fourth proportional to 613,186.62, 846,237.38 and 341,253.74 is: 470,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,186.62 : 846,237.38 = 341,253.74 : x
  2. Step 2: Convert to fraction form
    613,186.62/846,237.38 = 341,253.74/x
  3. Step 3: Cross multiply
    613,186.62x = 846,237.38 × 341,253.74
  4. Step 4: Simplify right side
    613,186.62x = 288,781,664,915.35
  5. Step 5: Solve for x
    x = 288,781,664,915.35/613,186.62
  6. Step 6: Final answer
    x = 470,952.33

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1.5x scale

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.