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Finding the Fourth Proportional to 568,903.20, 853,354.80 and 366,824.40

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Solution

The fourth proportional to 568,903.20, 853,354.80 and 366,824.40 is: 550,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,903.20 : 853,354.80 = 366,824.40 : x
  2. Step 2: Convert to fraction form
    568,903.20/853,354.80 = 366,824.40/x
  3. Step 3: Cross multiply
    568,903.20x = 853,354.80 × 366,824.40
  4. Step 4: Simplify right side
    568,903.20x = 313,031,362,497.12
  5. Step 5: Solve for x
    x = 313,031,362,497.12/568,903.20
  6. Step 6: Final answer
    x = 550,236.60

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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.