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Finding the Fourth Proportional to 410,833.80, 616,250.70 and 251,166.60

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Solution

The fourth proportional to 410,833.80, 616,250.70 and 251,166.60 is: 376,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,833.80 : 616,250.70 = 251,166.60 : x
  2. Step 2: Convert to fraction form
    410,833.80/616,250.70 = 251,166.60/x
  3. Step 3: Cross multiply
    410,833.80x = 616,250.70 × 251,166.60
  4. Step 4: Simplify right side
    410,833.80x = 154,781,593,066.62
  5. Step 5: Solve for x
    x = 154,781,593,066.62/410,833.80
  6. Step 6: Final answer
    x = 376,749.90

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1.5x scale

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.