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Finding the Fourth Proportional to 579,548.07, 800,076.78 and 450,196.74

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Solution

The fourth proportional to 579,548.07, 800,076.78 and 450,196.74 is: 621,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,548.07 : 800,076.78 = 450,196.74 : x
  2. Step 2: Convert to fraction form
    579,548.07/800,076.78 = 450,196.74/x
  3. Step 3: Cross multiply
    579,548.07x = 800,076.78 × 450,196.74
  4. Step 4: Simplify right side
    579,548.07x = 360,191,958,105.70
  5. Step 5: Solve for x
    x = 360,191,958,105.70/579,548.07
  6. Step 6: Final answer
    x = 621,504.89

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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.