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Finding the Fourth Proportional to 590,982.40, 886,473.60 and 354,203.20

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Solution

The fourth proportional to 590,982.40, 886,473.60 and 354,203.20 is: 531,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,982.40 : 886,473.60 = 354,203.20 : x
  2. Step 2: Convert to fraction form
    590,982.40/886,473.60 = 354,203.20/x
  3. Step 3: Cross multiply
    590,982.40x = 886,473.60 × 354,203.20
  4. Step 4: Simplify right side
    590,982.40x = 313,991,785,835.52
  5. Step 5: Solve for x
    x = 313,991,785,835.52/590,982.40
  6. Step 6: Final answer
    x = 531,304.80

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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.