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Finding the Fourth Proportional to 541,100.60, 746,669.70 and 311,596.76

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Solution

The fourth proportional to 541,100.60, 746,669.70 and 311,596.76 is: 429,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,100.60 : 746,669.70 = 311,596.76 : x
  2. Step 2: Convert to fraction form
    541,100.60/746,669.70 = 311,596.76/x
  3. Step 3: Cross multiply
    541,100.60x = 746,669.70 × 311,596.76
  4. Step 4: Simplify right side
    541,100.60x = 232,659,859,310.17
  5. Step 5: Solve for x
    x = 232,659,859,310.17/541,100.60
  6. Step 6: Final answer
    x = 429,975.24

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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.