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Finding the Fourth Proportional to 483,359.70, 725,039.55 and 203,423.70

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Solution

The fourth proportional to 483,359.70, 725,039.55 and 203,423.70 is: 305,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,359.70 : 725,039.55 = 203,423.70 : x
  2. Step 2: Convert to fraction form
    483,359.70/725,039.55 = 203,423.70/x
  3. Step 3: Cross multiply
    483,359.70x = 725,039.55 × 203,423.70
  4. Step 4: Simplify right side
    483,359.70x = 147,490,227,907.34
  5. Step 5: Solve for x
    x = 147,490,227,907.34/483,359.70
  6. Step 6: Final answer
    x = 305,135.55

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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.