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Finding the Fourth Proportional to 590,056.40, 885,372.60 and 274,350.80

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Solution

The fourth proportional to 590,056.40, 885,372.60 and 274,350.80 is: 411,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,056.40 : 885,372.60 = 274,350.80 : x
  2. Step 2: Convert to fraction form
    590,056.40/885,372.60 = 274,350.80/x
  3. Step 3: Cross multiply
    590,056.40x = 885,372.60 × 274,350.80
  4. Step 4: Simplify right side
    590,056.40x = 242,902,681,108.08
  5. Step 5: Solve for x
    x = 242,902,681,108.08/590,056.40
  6. Step 6: Final answer
    x = 411,660.11

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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.