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Finding the Fourth Proportional to 589,323.08, 813,052.60 and 385,490.24

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Solution

The fourth proportional to 589,323.08, 813,052.60 and 385,490.24 is: 531,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,323.08 : 813,052.60 = 385,490.24 : x
  2. Step 2: Convert to fraction form
    589,323.08/813,052.60 = 385,490.24/x
  3. Step 3: Cross multiply
    589,323.08x = 813,052.60 × 385,490.24
  4. Step 4: Simplify right side
    589,323.08x = 313,423,841,906.62
  5. Step 5: Solve for x
    x = 313,423,841,906.62/589,323.08
  6. Step 6: Final answer
    x = 531,837.04

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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.