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Finding the Fourth Proportional to 546,346.80, 818,818.84 and 261,610.70

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Solution

The fourth proportional to 546,346.80, 818,818.84 and 261,610.70 is: 392,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,346.80 : 818,818.84 = 261,610.70 : x
  2. Step 2: Convert to fraction form
    546,346.80/818,818.84 = 261,610.70/x
  3. Step 3: Cross multiply
    546,346.80x = 818,818.84 × 261,610.70
  4. Step 4: Simplify right side
    546,346.80x = 214,211,769,905.59
  5. Step 5: Solve for x
    x = 214,211,769,905.59/546,346.80
  6. Step 6: Final answer
    x = 392,080.21

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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.