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Finding the Fourth Proportional to 483,362.20, 725,043.30 and 203,426.20

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Solution

The fourth proportional to 483,362.20, 725,043.30 and 203,426.20 is: 305,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,362.20 : 725,043.30 = 203,426.20 : x
  2. Step 2: Convert to fraction form
    483,362.20/725,043.30 = 203,426.20/x
  3. Step 3: Cross multiply
    483,362.20x = 725,043.30 × 203,426.20
  4. Step 4: Simplify right side
    483,362.20x = 147,492,803,354.46
  5. Step 5: Solve for x
    x = 147,492,803,354.46/483,362.20
  6. Step 6: Final answer
    x = 305,139.30

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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.