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Finding the Fourth Proportional to 540,971.92, 746,289.72 and 350,046.96

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Solution

The fourth proportional to 540,971.92, 746,289.72 and 350,046.96 is: 482,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,971.92 : 746,289.72 = 350,046.96 : x
  2. Step 2: Convert to fraction form
    540,971.92/746,289.72 = 350,046.96/x
  3. Step 3: Cross multiply
    540,971.92x = 746,289.72 × 350,046.96
  4. Step 4: Simplify right side
    540,971.92x = 261,236,447,765.25
  5. Step 5: Solve for x
    x = 261,236,447,765.25/540,971.92
  6. Step 6: Final answer
    x = 482,902.05

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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.