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Finding the Fourth Proportional to 546,602.80, 820,249.80 and 321,962.80

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Solution

The fourth proportional to 546,602.80, 820,249.80 and 321,962.80 is: 483,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,602.80 : 820,249.80 = 321,962.80 : x
  2. Step 2: Convert to fraction form
    546,602.80/820,249.80 = 321,962.80/x
  3. Step 3: Cross multiply
    546,602.80x = 820,249.80 × 321,962.80
  4. Step 4: Simplify right side
    546,602.80x = 264,089,922,307.44
  5. Step 5: Solve for x
    x = 264,089,922,307.44/546,602.80
  6. Step 6: Final answer
    x = 483,147.77

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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.