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Finding the Fourth Proportional to 449,323.20, 673,984.80 and 433,576.80

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Solution

The fourth proportional to 449,323.20, 673,984.80 and 433,576.80 is: 650,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323.20 : 673,984.80 = 433,576.80 : x
  2. Step 2: Convert to fraction form
    449,323.20/673,984.80 = 433,576.80/x
  3. Step 3: Cross multiply
    449,323.20x = 673,984.80 × 433,576.80
  4. Step 4: Simplify right side
    449,323.20x = 292,224,172,832.64
  5. Step 5: Solve for x
    x = 292,224,172,832.64/449,323.20
  6. Step 6: Final answer
    x = 650,365.20

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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.