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Finding the Fourth Proportional to 533,074.80, 799,320.60 and 217,174.80

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Solution

The fourth proportional to 533,074.80, 799,320.60 and 217,174.80 is: 325,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,074.80 : 799,320.60 = 217,174.80 : x
  2. Step 2: Convert to fraction form
    533,074.80/799,320.60 = 217,174.80/x
  3. Step 3: Cross multiply
    533,074.80x = 799,320.60 × 217,174.80
  4. Step 4: Simplify right side
    533,074.80x = 173,592,291,440.88
  5. Step 5: Solve for x
    x = 173,592,291,440.88/533,074.80
  6. Step 6: Final answer
    x = 325,643.40

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Double scale
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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.