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Finding the Fourth Proportional to 536,592.52, 740,482.32 and 303,997.78

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Solution

The fourth proportional to 536,592.52, 740,482.32 and 303,997.78 is: 419,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,592.52 : 740,482.32 = 303,997.78 : x
  2. Step 2: Convert to fraction form
    536,592.52/740,482.32 = 303,997.78/x
  3. Step 3: Cross multiply
    536,592.52x = 740,482.32 × 303,997.78
  4. Step 4: Simplify right side
    536,592.52x = 225,104,981,409.25
  5. Step 5: Solve for x
    x = 225,104,981,409.25/536,592.52
  6. Step 6: Final answer
    x = 419,508.24

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Similar ratio
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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.