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Finding the Fourth Proportional to 533,664.60, 736,676.28 and 361,817.94

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Solution

The fourth proportional to 533,664.60, 736,676.28 and 361,817.94 is: 499,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,664.60 : 736,676.28 = 361,817.94 : x
  2. Step 2: Convert to fraction form
    533,664.60/736,676.28 = 361,817.94/x
  3. Step 3: Cross multiply
    533,664.60x = 736,676.28 × 361,817.94
  4. Step 4: Simplify right side
    533,664.60x = 266,542,694,076.46
  5. Step 5: Solve for x
    x = 266,542,694,076.46/533,664.60
  6. Step 6: Final answer
    x = 499,457.33

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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.