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Finding the Fourth Proportional to 436,169.60, 654,254.40 and 404,676.80

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Solution

The fourth proportional to 436,169.60, 654,254.40 and 404,676.80 is: 607,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,169.60 : 654,254.40 = 404,676.80 : x
  2. Step 2: Convert to fraction form
    436,169.60/654,254.40 = 404,676.80/x
  3. Step 3: Cross multiply
    436,169.60x = 654,254.40 × 404,676.80
  4. Step 4: Simplify right side
    436,169.60x = 264,761,576,977.92
  5. Step 5: Solve for x
    x = 264,761,576,977.92/436,169.60
  6. Step 6: Final answer
    x = 607,015.20

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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.