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Finding the Fourth Proportional to 609,762.44, 914,644.20 and 254,582.84

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Solution

The fourth proportional to 609,762.44, 914,644.20 and 254,582.84 is: 381,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,762.44 : 914,644.20 = 254,582.84 : x
  2. Step 2: Convert to fraction form
    609,762.44/914,644.20 = 254,582.84/x
  3. Step 3: Cross multiply
    609,762.44x = 914,644.20 × 254,582.84
  4. Step 4: Simplify right side
    609,762.44x = 232,852,718,025.53
  5. Step 5: Solve for x
    x = 232,852,718,025.53/609,762.44
  6. Step 6: Final answer
    x = 381,874.49

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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.