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Finding the Fourth Proportional to 533,048.80, 799,281.60 and 217,148.80

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Solution

The fourth proportional to 533,048.80, 799,281.60 and 217,148.80 is: 325,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,048.80 : 799,281.60 = 217,148.80 : x
  2. Step 2: Convert to fraction form
    533,048.80/799,281.60 = 217,148.80/x
  3. Step 3: Cross multiply
    533,048.80x = 799,281.60 × 217,148.80
  4. Step 4: Simplify right side
    533,048.80x = 173,563,040,302.08
  5. Step 5: Solve for x
    x = 173,563,040,302.08/533,048.80
  6. Step 6: Final answer
    x = 325,604.41

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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.