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Finding the Fourth Proportional to 559,915.32, 840,222.90 and 227,491.32

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Solution

The fourth proportional to 559,915.32, 840,222.90 and 227,491.32 is: 341,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,915.32 : 840,222.90 = 227,491.32 : x
  2. Step 2: Convert to fraction form
    559,915.32/840,222.90 = 227,491.32/x
  3. Step 3: Cross multiply
    559,915.32x = 840,222.90 × 227,491.32
  4. Step 4: Simplify right side
    559,915.32x = 191,143,416,615.23
  5. Step 5: Solve for x
    x = 191,143,416,615.23/559,915.32
  6. Step 6: Final answer
    x = 341,379.15

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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.