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Finding the Fourth Proportional to 590,930.21, 886,672.13 and 291,247.42

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Solution

The fourth proportional to 590,930.21, 886,672.13 and 291,247.42 is: 437,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,930.21 : 886,672.13 = 291,247.42 : x
  2. Step 2: Convert to fraction form
    590,930.21/886,672.13 = 291,247.42/x
  3. Step 3: Cross multiply
    590,930.21x = 886,672.13 × 291,247.42
  4. Step 4: Simplify right side
    590,930.21x = 258,240,970,248.41
  5. Step 5: Solve for x
    x = 258,240,970,248.41/590,930.21
  6. Step 6: Final answer
    x = 437,007.56

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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.