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Finding the Fourth Proportional to 541,990.44, 747,902.88 and 300,283.20

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Solution

The fourth proportional to 541,990.44, 747,902.88 and 300,283.20 is: 414,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,990.44 : 747,902.88 = 300,283.20 : x
  2. Step 2: Convert to fraction form
    541,990.44/747,902.88 = 300,283.20/x
  3. Step 3: Cross multiply
    541,990.44x = 747,902.88 × 300,283.20
  4. Step 4: Simplify right side
    541,990.44x = 224,582,670,095.62
  5. Step 5: Solve for x
    x = 224,582,670,095.62/541,990.44
  6. Step 6: Final answer
    x = 414,366.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.