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Finding the Fourth Proportional to 545,771.70, 818,657.55 and 333,195.30

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Solution

The fourth proportional to 545,771.70, 818,657.55 and 333,195.30 is: 499,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,771.70 : 818,657.55 = 333,195.30 : x
  2. Step 2: Convert to fraction form
    545,771.70/818,657.55 = 333,195.30/x
  3. Step 3: Cross multiply
    545,771.70x = 818,657.55 × 333,195.30
  4. Step 4: Simplify right side
    545,771.70x = 272,772,847,969.52
  5. Step 5: Solve for x
    x = 272,772,847,969.52/545,771.70
  6. Step 6: Final answer
    x = 499,792.95

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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.