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Finding the Fourth Proportional to 590,942.27, 886,690.22 and 291,259.49

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Solution

The fourth proportional to 590,942.27, 886,690.22 and 291,259.49 is: 437,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,942.27 : 886,690.22 = 291,259.49 : x
  2. Step 2: Convert to fraction form
    590,942.27/886,690.22 = 291,259.49/x
  3. Step 3: Cross multiply
    590,942.27x = 886,690.22 × 291,259.49
  4. Step 4: Simplify right side
    590,942.27x = 258,256,941,265.19
  5. Step 5: Solve for x
    x = 258,256,941,265.19/590,942.27
  6. Step 6: Final answer
    x = 437,025.67

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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.