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Finding the Fourth Proportional to 545,891.60, 819,682.20 and 297,059.60

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Solution

The fourth proportional to 545,891.60, 819,682.20 and 297,059.60 is: 446,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,891.60 : 819,682.20 = 297,059.60 : x
  2. Step 2: Convert to fraction form
    545,891.60/819,682.20 = 297,059.60/x
  3. Step 3: Cross multiply
    545,891.60x = 819,682.20 × 297,059.60
  4. Step 4: Simplify right side
    545,891.60x = 243,494,466,459.12
  5. Step 5: Solve for x
    x = 243,494,466,459.12/545,891.60
  6. Step 6: Final answer
    x = 446,049.12

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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.