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Finding the Fourth Proportional to 466,152.20, 699,573.90 and 308,328.20

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Solution

The fourth proportional to 466,152.20, 699,573.90 and 308,328.20 is: 462,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,152.20 : 699,573.90 = 308,328.20 : x
  2. Step 2: Convert to fraction form
    466,152.20/699,573.90 = 308,328.20/x
  3. Step 3: Cross multiply
    466,152.20x = 699,573.90 × 308,328.20
  4. Step 4: Simplify right side
    466,152.20x = 215,698,361,353.98
  5. Step 5: Solve for x
    x = 215,698,361,353.98/466,152.20
  6. Step 6: Final answer
    x = 462,720.89

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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.