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Finding the Fourth Proportional to 568,739.40, 853,109.10 and 288,803.40

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Solution

The fourth proportional to 568,739.40, 853,109.10 and 288,803.40 is: 433,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,739.40 : 853,109.10 = 288,803.40 : x
  2. Step 2: Convert to fraction form
    568,739.40/853,109.10 = 288,803.40/x
  3. Step 3: Cross multiply
    568,739.40x = 853,109.10 × 288,803.40
  4. Step 4: Simplify right side
    568,739.40x = 246,380,808,650.94
  5. Step 5: Solve for x
    x = 246,380,808,650.94/568,739.40
  6. Step 6: Final answer
    x = 433,205.10

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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.