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Finding the Fourth Proportional to 590,812.60, 886,656.30 and 236,081.20

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Solution

The fourth proportional to 590,812.60, 886,656.30 and 236,081.20 is: 354,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,812.60 : 886,656.30 = 236,081.20 : x
  2. Step 2: Convert to fraction form
    590,812.60/886,656.30 = 236,081.20/x
  3. Step 3: Cross multiply
    590,812.60x = 886,656.30 × 236,081.20
  4. Step 4: Simplify right side
    590,812.60x = 209,322,883,291.56
  5. Step 5: Solve for x
    x = 209,322,883,291.56/590,812.60
  6. Step 6: Final answer
    x = 354,296.58

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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.