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Finding the Fourth Proportional to 408,059.80, 611,798.10 and 183,236.20

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Solution

The fourth proportional to 408,059.80, 611,798.10 and 183,236.20 is: 274,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,059.80 : 611,798.10 = 183,236.20 : x
  2. Step 2: Convert to fraction form
    408,059.80/611,798.10 = 183,236.20/x
  3. Step 3: Cross multiply
    408,059.80x = 611,798.10 × 183,236.20
  4. Step 4: Simplify right side
    408,059.80x = 112,103,559,011.22
  5. Step 5: Solve for x
    x = 112,103,559,011.22/408,059.80
  6. Step 6: Final answer
    x = 274,723.36

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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.