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Finding the Fourth Proportional to 549,096.40, 823,644.60 and 424,526.80

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Solution

The fourth proportional to 549,096.40, 823,644.60 and 424,526.80 is: 636,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,096.40 : 823,644.60 = 424,526.80 : x
  2. Step 2: Convert to fraction form
    549,096.40/823,644.60 = 424,526.80/x
  3. Step 3: Cross multiply
    549,096.40x = 823,644.60 × 424,526.80
  4. Step 4: Simplify right side
    549,096.40x = 349,659,206,375.28
  5. Step 5: Solve for x
    x = 349,659,206,375.28/549,096.40
  6. Step 6: Final answer
    x = 636,790.20

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Similar ratio
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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.